List of scheduled monuments in Anglesey

Anglesey includes the largest island in Wales, as well as various smaller islands. Just as Anglesey is joined by bridges to the mainland, so Holy Island is linked to Anglesey. The 143 Scheduled monuments cover over 4,000 years of the history of the islands. Spread throughout the interior and especially the coast of the islands there are 89 prehistoric scheduled sites, including chambered tombs, burial cairns and standing stones, hillforts, hut circles and a henge. Six sites date from the Roman period, and seven from early medieval times. The 18 sites from the medieval post-Norman period include spectacular castles, remote dwellings, and wells, stones and churches. Finally the modern period is mainly agrarian in its purposes, but also includes the copper, coal and brickmaking industries. After a spell as part of Gwynedd, the Isle of Anglesey County now covers the same area as the historic county of Anglesey.

Map of the Communities of the Isle of Anglesey, Wales

Scheduled monuments are found in 34 of the 40 Community areas on the Isle of Anglesey. Clusters are found in Moelfre on the eastern side (14), Trearddur on Holy Island (11), Llanidan overlooking the Menai Strait (10) and Llangoed in the far east (10). One site, Beaumaris Castle, is part of a World Heritage Site and this plus a further 22 of the monuments are in the care of the Welsh heritage agency, Cadw.

Scheduled Ancient Monuments (SAMs) have statutory protection. The compilation of the list is undertaken by Cadw Welsh Historic Monuments, which is an executive agency of the National Assembly of Wales.[1] The list of scheduled monuments below is supplied by Cadw[2] with additional material from Royal Commission on the Ancient and Historical Monuments of Wales and Gwynedd Archaeological Trust.

Scheduled Monuments in Anglesey

The list is sorted by period, and then by Community so that sites of similar age and locality are placed near each other. Clicking on one of the heading arrows will sort the list by that information.

Image Name Site type Community Location Details Period SAM No
& Refs
Barclodiad y Gawres Burial Chamber Chambered round barrow Aberffraw 53.2072°N 4.5036°W / 53.2072; -4.5036 (Barclodiad-y-Gawres Burial Chamber),
SH329707		 Neolithic chambered tomb overlooking Trecastle Bay. Excavated in 1952-3 it is now consolidated, with lockable iron gates and a concrete domed roof. Several internal stones have Neolithic pecked geometric rock art. Prehistoric
(Neolithic)		 AN032
[3]
Din Dryfol Burial Chamber Chambered long cairn Aberffraw 53.225°N 4.4048°W / 53.225; -4.4048 (Din Dryfol Burial Chamber),
SH395724		 The burial mound developed over several phases of stone chambers and wooden posts, culminating in a 3 metres (9.8 ft) high Portal Stone creating a substantial entrance. The mound has now gone, leaving the internal stone structures. Prehistoric
(Neolithic)		 AN008
[4]
Mynydd Bach round cairn Round barrow Aberffraw 53.2085°N 4.5045°W / 53.2085; -4.5045 (Mynydd Bach round cairn),
SH328708		 A low, grass covered cairn with a stone burial cist in its centre, on a promentary alongside the more impressive Barclodiad y Gawres (AN032). A fragment of Beaker pottery was found in a 1956 excavation suggesting a Bronze Age date. Prehistoric
Bronze Age		 AN149
[5]
Trwyn Du round cairn Round cairn Aberffraw 53.1824°N 4.4671°W / 53.1824; -4.4671 (Trwyn Du round cairn),
SH352678		 A Bronze Age cairn, excavated in 1956 and 1974, had regular sequence large and small kerbstones, some of which are still visible through the grass. The cairn was found to overlay a much older ground surface, which had a great quantity of flint workings, occupation material and two Tranchet axes dated to 7000BC in the Mesolithic. Prehistoric
(Mesolithic &
Bronze Age)		 AN148
[6]
Werthyr standing stone Standing stone Amlwch 53.4088°N 4.3856°W / 53.4088; -4.3856 (Werthyr standing stone),
SH415928		 Standing Stone 3m high between Y Werthyr and Bryn Llwyd farms. Early writings suggest there was a second upright and a long capstone, of which there is now no sign. Prehistoric
(Bronze Age)		 AN150
[7]
Presaddfed Burial Chambers Chambered tomb Bodedern 53.2992°N 4.4809°W / 53.2992; -4.4809 (Presaddfed Burial Chamber),
SH347808		 Two megalithic stone features, one a dolmen with huge capstone, the other a collapsed stone burial chambers. A 2m gap is between the two features, and it is thought a single mound would once have covered them both, though this has now disappeared without trace. In the care of Cadw, with public access. Prehistoric
(Neolithic)		 AN010
[8]
Malltraeth Yard standing stone Standing stone Bodorgan 53.1969°N 4.3838°W / 53.1969; -4.3838 (Malltraeth Yard Standing Stone),
SH408693		 Large standing stone, 2.7 metres (8.9 ft) high, beside a railway embankement, north of Malltraeth. It has variously been named Cae Dafydd Maenhir and Trefdraeth Standing Stone. It is a pale igneous rock with many quartz veins. Prehistoric
 AN089
[9]
Cremlyn Standing Stones Standing stone Cwm Cadnant 53.2759°N 4.1444°W / 53.2759; -4.1444 (Cremlyn Standing Stones),
SH571775		 Two standing stones in adjacent fields. The southern one fell over in 1977 and was found to have only 30 cm below ground and 3 metres (9.8 ft) above, wedged in with packing stones. When replaced, it was concreted in. Prehistoric
 AN074
[10]
Hendrefor Burial Chambers Chambered tomb Cwm Cadnant 53.2729°N 4.1744°W / 53.2729; -4.1744 (Hendrefor Burial Chambers),
SH551773		 Two stone chambers, 7 metres (23 ft) apart, which would once have been buried under a single long mound. One was recorded as intact in 1802, but by 1825 only one upright remained standing, which remains 2.7 metres (8.9 ft) high. Also called Ucheldref Burial Cairn. Prehistoric
Neolithic		 AN025
[11]
 Pen-y-Maen Standing Stone Standing stone Cwm Cadnant 53.2427°N 4.1526°W / 53.2427; -4.1526 (Pen-y-Maen Standing Stone),
SH564739		 Slender standing stone, 1.65 metres (5.4 ft) high, in a field near Llandegfan. The base has worn down to reveal packing stones. Prehistoric
 AN072
[12]
 Ty-Wyn Standing Stone Standing stone Cwm Cadnant 53.2428°N 4.1689°W / 53.2428; -4.1689 (Ty-Wyn Standing Stone),
SH553739		 Tapering slab, 3 metres (9.8 ft) high and .8 metres (2.6 ft) wide, on a rise north of Menai Bridge. Also called Plas Cadnant Standing Stone and Ty Gwyn Standing Stone. Large packing stones are visible at the base. Prehistoric
 AN073
[13]
Pen-yr-Orsedd Standing Stones Standing stone Cylch-y-Garn 53.384°N 4.5073°W / 53.384; -4.5073 (Pen-yr-Orsedd Standing Stones),
SH333903		 Two large slab standing stones (with reports of a now lost third), 230 metres (250 yd) apart. They are both over 2.7 metres (8.9 ft) high and 1.2 metres (3.9 ft) wide. The name may derive from 'Gorsedd' (meetings place). Prehistoric
 AN081
[14]
Ty Mawr Standing Stone Standing stone Holyhead 53.2967°N 4.6214°W / 53.2967; -4.6214 (Ty-Mawr Standing Stone),
SH253809		 A contorted and irregular stone block with dramatic 'swirls' in the bedding plane. It stands on a prominent site south of Holyhead. Prehistoric
 AN012
[15]
Bryn Celli Ddu Burial Chamber Burial Chamber Llanddaniel Fab 53.2077°N 4.2361°W / 53.2077; -4.2361 (Bryn-Celli-Ddu Burial Chamber),
SH507701		 One of the finest passage tombs in Wales, with a mysterious pillar within the burial chamber, a 'Pattern Stone' carved with sinuous serpentine designs, and before all that it was a henge with a stone circle. Excavated and re-constructed in 1928-9. Now in the care of Cadw. Prehistoric
Neolithic		 AN002
[16]
Bryn-Celli-Ddu Standing Stone Standing stone Llanddaniel Fab 53.2069°N 4.238°W / 53.2069; -4.238 (Bryn-Celli-Ddu Standing Stone),
SH506701		 Low standing stone, wider than it is high. Only the presence of possible packing stones, and a suggested alignment with the nearby Bryn-Celli-Ddu chambered tomb indicate anything other than a natural boulder. Prehistoric
 AN085
[17]
Bryn-yr-Hen-Bobl Burial Chamber Chambered round cairn Llanddaniel Fab 53.1972°N 4.2184°W / 53.1972; -4.2184 (Bryn-yr-Hen-Bobl Burial Chamber),
SH519689		 'Hill of the old people' is a substantial mound with a stone chamber. Bones were found here in 1754, and along with Plas Newydd Burial Chambers (AN005) it was included in the first Ancient Monuments Act in 1882. It was excavated by W J Hemp in 1929-35, and Neolithic pottery appeared to lie under and in front of the mound, suggesting a settlement predating its use as a burial site. The chamber was given a doorway following the dig, but is not accessible to the public. It is visible from the southern edge of Plas Newydd Garden Wood. Prehistoric
Neolithic		 AN006
[18]
Plas Newydd Burial Chambers Chambered tomb Llanddaniel Fab 53.2038°N 4.2179°W / 53.2038; -4.2179 (Plas Newydd Burial Chambers),
SH519697		 Two adjoining stone chambers of a Neolithic burial cairn form a cromlech on private lawns of Plas Newydd National Trust Country House. The monument, along with nearby Bryn-yr-Hen-Bobl, was one of only three Welsh entries in the initial Schedule of the Ancient Monuments Protection Act 1882 Prehistoric
Neolithic		 AN005
[19]
Tyddyn-Bach Standing Stone Standing stone Llanddaniel Fab 53.2089°N 4.2428°W / 53.2089; -4.2428 (Tyddyn-Bach Standing Stone),
SH503703		 The 3 metres (9.8 ft) high pointed stone is surrounded by a pile of more recent field clearance boulders. Reportedly the stone is set into a hole or socket in the bedrock. A small tree has become established, growing through the boulders. Prehistoric
 AN084
[20]
Llanddona Standing Stone Standing stone Llanddona 53.2946°N 4.1506°W / 53.2946; -4.1506 (Llanddona Standing Stone),
SH567796		 Small (1.7m high) jagged and much weathered upright stone, tapering to a sharp point. It is near Bwlch Farm, west of Llanddona village. Prehistoric
 AN153
[21]
Hirdre-Faig Standing Stone Standing stone Llanddyfnan 53.247°N 4.2731°W / 53.247; -4.2731 (Hirdre-Faig Standing Stone),
SH484746		 Large igneous slab, with distinctive quartz veins in a field east of Hirdre-Faig farm. It stands on a shallow ridge in an area known as Penmynydd. Prehistoric
 AN155
[22]
Llanddyfnan Standing Stone Standing stone Llanddyfnan 53.283°N 4.2492°W / 53.283; -4.2492 (Llanddyfnan Standing Stone),
SH501785		 Slender pillar, 2.4 metres (7.9 ft) tall near the road to Llanddyfnan church. It had been leaning at an angle of 45° by 1970 and was set upright again some time before 1986. A museum of all things stone-related stands just over the road. Prehistoric
 AN071
[23]
Maen Addwyn Standing stone Llanddyfnan 53.3247°N 4.3129°W / 53.3247; -4.3129 (Maen Addwyn),
SH460833		 Ivy-covered 3m high stone beside a road. It was formerly known as Maen Fabli, whilst another stone,that stood 500m to the north, was called Maenaddwyn, and gave its name to the crossroads at which it stood. Prehistoric
 AN069
[24]
Tŷ Newydd Burial Chamber Chambered tomb Llanfaelog 53.2359°N 4.4824°W / 53.2359; -4.4824 (Ty-Newydd Burial Chamber),
SH344738		 A huge capstone resting on three uprights formed a spectacular monument, described in 1865 as "one of the gems of the Anglesey Cromlechs".[25] It was excavated in 1936 and a Beaker fragment indicated the Neolithic tomb was re-used during the Bronze Age. The monument is in the care of Cadw, with public access. In recent years, the capstone cracked, since which the whole has been supported by two brick piers. Prehistoric
 AN013
[26]
Capel Soar Standing Stone Standing stone Llanfaethlu 53.347°N 4.5264°W / 53.347; -4.5264 (Capel Soar Standing Stone),
SH319863		 Large and prominent standing stone beside the A5025 and close to a Baptist Chapel on an exposed part of north-west Anglesey. It is a slab, 3.2 metres (10 ft) high, and 1.7 metres (5.6 ft) wide at its base, tapering to a rounded top. Prehistoric
 AN083
[27]
Ty Mawr Burial Chamber Chambered tomb Llanfair Pwllgwyngyll 53.2262°N 4.1902°W / 53.2262; -4.1902 (Burial Chamber 180m NE of Pen-y-Berth),
SH538721		 This Burial Chamber on the eastern edge of Llanfair PG, (described on the schedule as 180m NE of Pen-y-Berth), has a large capstone now resting on its collapsed support stones. It was a simple passage grave, suggesting an earlier date than most of the Anglesey neolithic tombs. Prehistoric
(Neolithic)		 AN037
[28]
Benllech Megalith: Goosehouse Unclassified site Llanfair-Mathafarn-Eithaf 53.3202°N 4.2247°W / 53.3202; -4.2247 (Benllech Megalith: Goosehouse),
SH519826		 During sewer works in 1965 what was thought to be a small stone burial chamber was found in what is now an area of housing in Benllech. No ancient remains were found, and the presence of a medicine bottle suggested a more modern date. This left the question of what it might be. A stone goose-pen, corn drier, or a folly have all been suggested but are by no means convincing. In the absence of an explanation it retains its listed status. Prehistoric
(probably not)		 AN094
[29]
Glyn Burial Chamber, Benllech Burial Chamber Llanfair-Mathafarn-Eithaf 53.3116°N 4.2317°W / 53.3116; -4.2317 (Glyn Burial Chamber, Benllech),
SH514817		 Limestone capstone, which appears to be a piece of the local bedrock, levered up and propped in place by other stones. The rise in ground around it may represent a 14m circular mound or cairn that originally covered it. Partial excavation by E.N. Baynes in 1909 found that 'treasure seekers had cleaned out the whole of the chamber'. Prehistoric
(Neolithic)		 AN154
[30]
Pant-y-Saer Burial Chamber Chambered tomb Llanfair-Mathafarn-Eithaf 53.3175°N 4.2397°W / 53.3175; -4.2397 (Pant-y-Saer Burial Chamber),
SH509824		 Two large upright stones support a large capston, which now leans at a steep angle. It was 'plundered' in 1874 when a visitor dreamed of a crock of gold, but found only bones.[31] A full excavation by Lindsay Scott in 1933 found late neolithic and early Bronze Age burials of 54 individuals. The base of the chamber was cut into the bedrock, and the whole was covered by a mound with stone edging.[32] Prehistoric
 AN004
[33]
Henblas Burial Chamber Chambered tomb Llangristiolus 53.2214°N 4.3594°W / 53.2214; -4.3594 (Henblas Burial Chamber),
SH425719		 Three enormous boulders: two blocky and fairly upright, the other a vast slab. They are thought to be glacial erratics which have not travelled far. Striation details suggest some manoeuvering has taken place, and therefore they were probably adapted to create a huge burial tomb. Unverified 19th century reports claimed to have found an urn containing ashes and a ring of blue glass. Prehistoric
 AN003
[34]
Bodowyr Burial Chamber Chambered tomb Llanidan 53.1882°N 4.3029°W / 53.1882; -4.3029 (Bodowyr Burial Chamber),
SH462681		 Five surviving uprights formed the walls of a small stone chamber. Three of these now support a large mushroom shaped capstone, with one stone not reaching the capstone, and one fallen down. The whole, although never excavated, has been consolidated and fenced for protection from livestock and to facilitate public access.It is under the guardianship of Cadw, and commands spectacular vies of Snowdonia. Prehistoric
(Neolithic)		 AN007
[35]
Bryn Gwyn stones Stone Circle Llanidan 53.1772°N 4.3022°W / 53.1772; -4.3022 (Bryn Gwyn stones),
SH462669		 Two huge standing stones on a field boundary and path east of Brynsiencyn. The taller is 4.2 metres (14 ft) high, the tallest on Anglesey. Excavations in 2010 confirmed there were once 8 stones, forming a 16m wide circle, with a further stone inside the circle, perhaps aligning with the nearby henge at Castell Bryn Gwyn (AN015). Prehistoric
(Neolithic)		 AN022
[36]
Perthi-Duon Burial Chamber Chambered tomb Llanidan 53.1761°N 4.276°W / 53.1761; -4.276 (Perthi-Duon Burial Chamber),
SH479667		 Massive stone long-identified as a possible burial chamber capstone, in a field west of Brynsiencyn. Doubts have been expressed on whether it was used in such a way, or is simply a glacial erratic. However, the site was excavated by the WRAO team in 2012 and the results clearly showed it was a Neolithic stone chambered monument (as shown by Rowlands in 1823). Several of the original uprights were incorported into a near by field boundary. The excavation also yeilded flint and a curious piece of [stratified] copper. Prehistoric
 AN059
[37]
Trefwri Standing Stone Standing stone Llanidan 53.1853°N 4.282°W / 53.1853; -4.282 (Trefwri Standing Stone),
SH476677		 There are two standing stones at the eastern end of the prehistoric settlement of Trefwri (see also the Pont-sarn hut circles AN087). The smaller stone, (in photo), is less convincing as an ancient stone than the larger one 200m to the east. Prehistoric
 AN086
[38]
Llech Golman Standing stone Llannerch-y-medd 53.3222°N 4.3257°W / 53.3222; -4.3257 (Llech Golman),
SH451831		 large blocky standing stone on an undulating ridge. It is 2.4 metres (7.9 ft) high, with packing stones exposed around the base. Prehistoric
 AN070
[39]
Bodewryd Standing Stone Standing stone Mechell 53.3847°N 4.3978°W / 53.3847; -4.3978 (Bodewryd Standing Stone),
SH406902		 At some 4m high this stone slab is one of the tallest standing stones on Anglesey. Prehistoric
 AN078
[40]
Baron Hill Maen Hir Standing stone Mechell 53.3963°N 4.4531°W / 53.3963; -4.4531 (Baron Hill Maen Hir),
SH369916		 A large standing stone 410m North of St Mechell's Church, Llanfechell. During re-seating of the stone in 2010, it was found that one of the packing stones had prehistoric patterned carvings. Prehistoric
 AN080
[41]
Llanfechell Triangle Standing Stones Standing stone Mechell 53.3966°N 4.462°W / 53.3966; -4.462 (Standing Stones),
SH363916		 Three Bronze Age Standing Stones, each some 2m high, at the top of a low ridge. Prehistoric
 AN030
[42]
Lligwy Burial Chamber Chambered tomb Moelfre 53.3499°N 4.2529°W / 53.3499; -4.2529 (Lligwy Burial Chamber),
SH501860		 Huge capstone supported by 8 side stones, all of locally occurring limestone. Described in 1781, excavated in 1909, it contained numerous Neolithic flints and pots, along with 15-30 human burials. Possible East, West and South alignment of stones suggest astronomical purposes Prehistoric
(Neolithic)		 AN009
[43]
Ogof Arian Cave Cave Moelfre 53.3686°N 4.2781°W / 53.3686; -4.2781 (Ogof Arian Cave),
SH485881		 Cave with an inner chamber that runs some 25m into the hillside. Neolithic flint tools have been found. Know locally as Ogof Ladran (smugglers cave). Prehistoric
(Neolithic)		 AN106
[44]
Plas Bodafon Standing Stone Standing stone Moelfre 53.3444°N 4.2907°W / 53.3444; -4.2907 (Plas Bodafon, standing stone to WNW of),
SH476855		 In woodland west of Plas Bodafaon, the stone is 1.3m high, of an unusual quartzite. Prehistoric
 AN151
[45]
Carreg Leidr Standing stone Rhosybol 53.3329°N 4.3348°W / 53.3329; -4.3348 (Carreg Leidr),
SH446843		 Upright stone, with an unusual bulbous top. This gave rise to a legend that a thief who had stolen books from the nearby Llandyfrydog Church was turned to stone. The name means 'Thief Stone'. Prehistoric
 AN067
[46]
 Llys Einion Standing Stone Standing stone Rhosybol 53.3458°N 4.3599°W / 53.3458; -4.3599 (Llys Einion Standing Stone),
SH429858		 small, regular stone in a field south of Rhosybol village. Two vertical grooves on the north side could have been caused by lightning strikes. Prehistoric
 AN077
[47]
 Maen Chwyf Chambered tomb Rhosybol 53.3454°N 4.356°W / 53.3454; -4.356 (Maen Chwyf),
SH432857		 What some have identified as a large capstone propped up on supporting stones, others suggest is a natural boulder, indistinguishable from other local geology.In the absence of excavation doubts persist on both sides. Prehistoric
 AN076
[48]
Penrhos Feilw Standing Stones Standing stone Trearddur 53.2957°N 4.6618°W / 53.2957; -4.6618 (Penrhos Feilw Standing Stones),
SH227809		 Two tall standing stones, 3 metres (9.8 ft) high and a similar distance apart. The 1860s had recorded suggestions of a cist burial and a stone circle, but neither is in evidence. They area also known as the Plas Meilw standing stones. Prehistoric
 AN017
[49]
Trefignath Chambered round barrow Trearddur 53.2932°N 4.6142°W / 53.2932; -4.6142 (Trefignath Burial Chamber),
SH258805		 Neolithic tomb, expanded over three periods, each building a new chamber to the east of the previous, retaining the original alignment. It was noted in 1655, with 18th century plundering of the cairn and capstones, and reported finds of urns and bones. The most recent chamber, in use until 2250 BC, retains an elaborate entrance with tall upright portal stones. Full excavation in 1977-9 by Christopher Smith was followed by consolidation and good public access. Prehistoric
(Neolithic)		 AN011
[50]
Glan-Alaw Standing Stone Standing stone Tref Alaw 53.3433°N 4.4524°W / 53.3433; -4.4524 (Glan-Alaw Standing Stone),
SH368857		 Large slab of stone, 2.6 metres (8.5 ft) high and almost as wide, but only .5 metres (1.6 ft) thick, standing in a field between Glan Alaw and Bod-deiniol farms, east of Llyn Alaw. Prehistoric
 AN090
[51]
Tregwehelydd Standing Stone Standing stone Tref Alaw 53.3195°N 4.4926°W / 53.3195; -4.4926 (Tregwehelydd Standing Stone),
SH340831		 Accessible from a footpath via Tregwehelydd Farm. It is some 8 feet (2.4 m) high, and a more or less even rectangular shap, but it has split along its bedding planes, and is now in three pieces, which were bolted back together in 1969, with large metal straps. Prehistoric
 AN018
[52]
Castellor Hut Group Unenclosed hut circle Bryngwran 53.2565°N 4.496°W / 53.2565; -4.496 (Castellor Hut Group),
SH335761		 There were said to be upwards of 26 round huts, with low walls, paved surfaces, and an impressive selection of Iron Age and some Roman finds. Many of these huts were plundered for stone before a survey and excavations in 1871, and 1900, which found quern, coins, and copper ingots. Six hut outlines remain, and the field has been much ploughed. A possible (but doubtful) stone burial chamber has been described on the western side of the scheduled area. Prehistoric
Iron Age		 AN088
[53]
Enclosed Hut Group West of Mariandyrys Enclosed hut circle Llanddona 53.3094°N 4.108°W / 53.3094; -4.108 (Enclosed Hut Group West of Mariandyrys),
SH596812		 Well preserved survival of a group of round, stone-walled hut sites, with two rectangular huts, all enclosed by a low bank. Provides a good comparison with Din Lligwy, AN023. (also called Llaniestyn Hut Group) Prehistoric
Iron Age		 AN126
[54]
Llanddona Hut Circle Unenclosed hut circle Llanddona 53.2937°N 4.1417°W / 53.2937; -4.1417 (Hut Circle W of Buarth Cyttir),
SH573795		 Circular earthworks of a prehistoric roundhouse west of Llanddona. Although the banks are up to 5 metres (16 ft) wide now, they probably represent a collapsed stone wall some 2 metres (6.6 ft) thick and over a metre high, with perhaps a 10 metres (33 ft) diameter. A conical roof would have stood on this, rising to an impressive 8 metres (26 ft) or more in height, to make a large communal living space. It is listed as 'Hut Circle West of Buarth Cyttir'. Prehistoric
Iron Age		 AN128
[55]
Caerhoslligwy Enclosed Hut Groups Enclosed hut circle Llaneugrad 53.3413°N 4.2696°W / 53.3413; -4.2696 (Caerhoslligwy Enclosed Hut Groups),
SH489851		 Two related sites, 200 metres apart, with evidence of Iron Age (or Roman period) hut circles. The more southerly site has a walled enclosure, and at least three buildings. Growth of trees and scrub, along with dumping of quarried material has obscured what detail there was for most of the huts. Prehistoric
(Iron Age)		 AN105
[56]
Bwlch Hut Group, Benllech Enclosed hut circle Llanfair-Mathafarn-Eithaf 53.3107°N 4.2348°W / 53.3107; -4.2348 (Hut Group S of Bwlch, Benllech),
SH512816		 Variously described as a roundhouse settlement near Coed y Bwlch, Bryn Engan and Coed y Glyn, two hut circles stand on the edge of a strip of woodland southwest of Benllech. Impressive orthostats of 2 metres (6.6 ft) thick rubble-filled walls suggest huts with an internal diameter of over 9 metres (30 ft). A nearby boundary wall and rectangular building may be an enclosure wall from the same Iron Age or Romano-British period. Prehistoric
(Iron Age)		 AN127
[57]
Pant-y-Saer Hut Circles Enclosed hut circle Llanfair-Mathafarn-Eithaf 53.3179°N 4.2336°W / 53.3179; -4.2336 (Pant-y-Saer Hut Circles),
SH513824		 Stone remains of two roundhouses and two ancillary rectangular buildings, within a drystone walled oval enclosure 38 metres (125 ft) across. The smaller hut has interesting stone platforms around the sides, identified as sleeping places. The site was excavated in 1931 and 1933, with numerous Iron Age and Romano-British finds, plus a 6th-century penannular brooch suggesting a continued occupation into early Medieval times. Prehistoric
(Iron Age)		 AN043
[58]
Penmon Deer Park Hut Groups & Terraces Enclosed hut circle Llangoed 53.3081°N 4.0613°W / 53.3081; -4.0613 (Penmon Deer Park Hut Groups & Terraces),
SH627810		 Several Iron Age enclosure earthworks, each with one or more roundhouses. Part of a wider landscape of Iron Age fields. Prehistoric
(Iron Age)		 AN044
[59]
Graiglas Barrow Round barrow Llangristiolus 53.2472°N 4.3765°W / 53.2472; -4.3765 (Graiglas Barrow),
SH415748		 Burial mound (also known as Craig Las), 9 metres (30 ft) across and 1.2 metres (3.9 ft) high, beside a minor road, on a low ridge near the Mona industrial estate. A fallen standing stone is close by to the north (not scheduled). Prehistoric
(Bronze Age)		 AN112
[60]
Tyddyn Sadler Hut Group Enclosed hut circle Llangristiolus 53.2367°N 4.3822°W / 53.2367; -4.3822 (Tyddyn Sadler Hut Group),
SH411737		 Several square and round huts grouped amongst a network of field systems, and probably dating to Iron Age or Roman period. The wider area was noted in 1871 for its hut circles and embankments, but this particular group was first identified and documented in 1977. Prehistoric
 AN122
[61]
Castell Bryn Gwyn Henge & enclosure Llanidan 53.1784°N 4.2979°W / 53.1784; -4.2979 (Castell Bryn-Gwyn),
SH465670		 Revetted stone walls surround a level area some 54 metres in diameter. An earlier bank and ditch belong to a henge from the end of the Neolithic period. During the Iron Age the present wall was built, and it was refortified in Roman times and later. Prehistoric
 AN015
[62]
Pont Sarn-Las Hut Group Unenclosed hut circle Llanidan 53.1859°N 4.2891°W / 53.1859; -4.2891 (Pont Sarn-Las Hut Group),
SH471678		 Circles in the field, with evidence of surviving stonework. Roman coins and other finds were reported in the 18th and 19th centuries, along with the suggestion that it was part of a large pre-Roman settlement of Trefwri, perhaps extending to Caer Leb (AN014) 500m to the south. Prehistoric
 AN087
[63]
Brynsiencyn Round Barrow Round barrow Llanidan 53.1783°N 4.2637°W / 53.1783; -4.2637 (Round Barrow East of Brynsiencyn),
SH488669		 Large unexcavated round barrow on a gentle slope, east of Brynsiencyn. Also known as 'Round barrow west of Carn or Garn'. Prehistoric
(Bronze Age)		 AN060
[64]
Cors-y-Bol Round Barrow Round barrow Llannerch-y-medd 53.331°N 4.4414°W / 53.331; -4.4414 (Cors-y-Bol Round Barrow),
SH375843		 Possible ring cairn, barrow, or perhaps enclosure, it was noticed by a farmer in 1956, on the edge of a bog which drains into Llyn Alaw. Also referred to as 'Cor y Bal'. Prehistoric
 AN091
[65]
Llifad, Carreglefn Enclosure Mechell 53.3916°N 4.4302°W / 53.3916; -4.4302 (Llifad, Carreglefn),
SH384910		 A later prehistoric pentagonal enclosure, 49 yards (45m) across. It is a possible defended settlement and stands a few hundred metres south of Pen-y-Morwydd Barrow. Prehistoric
 AN079
[66]
Pen-y-Morwyd Round Barrow Round barrow Mechell 53.3934°N 4.4306°W / 53.3934; -4.4306 (Pen-y-Morwyd Round Barrow),
SH384912		 Prominent burial mound on a hill-top between Llanfechell and Bodewryd. It is 25 metres (82 ft) across, and 2 metres (6.6 ft) high, crossed by a modern wall. A footpath from Rhosbeirio crosses the mound. Prehistoric
Bronze Age		 AN110
[67]
Bwlch-y-Dafarn Hut Group Enclosed hut circle Moelfre 53.3463°N 4.2654°W / 53.3463; -4.2654 (Bwlch-y-Dafarn Enclosed Hut Group),
SH492856		 Roughly rectangular walled enclosure. Within it a well defined roundhouse, 6m across with paved floor, had Roman pottery finds. There are also two large rectangular buildings. Prehistoric
 AN104
[68]
Glan'r Afon Hut Circle Unenclosed hut circle Moelfre 53.3448°N 4.2536°W / 53.3448; -4.2536 (Hut Group N of Glan'r Afon),
SH500854		 Hut circle of 8m diameter with rubble-filled 1.3m thick walls, up to 0.8m high. Now in thick woodland, rectangular buildings alongside have also been recorded. Prehistoric
 AN095
[69]
Marian-glas Hut Group Unenclosed hut circle Moelfre 53.3379°N 4.2516°W / 53.3379; -4.2516 (Marian-glas Hut Group),
SH501846		 A roundhouse settlement, also called Cae Marh, with several huts with thick walls, some standing up to 1.4m high. Some of the hut walls are now obscured by a thicket, while others are visible as wall lines in the lawns of Marianglas caravan park. A sign by the Ministry of Public Building and Works (1962–70) indicates the location. Prehistoric
 AN093
[70]
Parc Salmon Hut Group Unenclosed hut circle Moelfre 53.3509°N 4.2552°W / 53.3509; -4.2552 (Parc Salmon Hut Group),
SH500861		 Circular hut and a nearby mound of discarded shellfish, with pottery and other items including half of a bronze ring. The hut had flooring of cobbles set in the earth, and a mortar stone set into the floor. Prehistoric
(Iron Age & Roman)		 AN102
[71]
Pen-y-Fynwent Barrow Round barrow Rhosybol 53.374°N 4.3551°W / 53.374; -4.3551 (Pen-y-Fynwent Barrow),
SH434889		 A low burial mound, some 22 metres (72 ft) across and 1m high, and thought to be Bronze Age. It is in the same field as the Medieval Pen-y-Fynwent Enclosure (AN124). Prehistoric
 AN125
[72]
Hut Circle Settlement at Capel Llochwydd Enclosed hut circle and Chapel site Trearddur 53.3121°N 4.6812°W / 53.3121; -4.6812 (Enclosed Hut Circle Settlement at Capel Llochwydd),
SH214828		 Multi-period site, on the cliff top near South Stack on Holy Island. The walls of a ruined Medieval chapel are cut into the enclosure walls and hut circles of an Iron Age settlement. The Bronze Age burial mound of Gosgarth Bay round cairn (AN147) is a few yards up the slope. The site was, until the 1770s, the setting for local festival day gatherings, when young people would attempt 'matrimonial divining'[73] Prehistoric
& Medieval		 AN133
[74]
Gogarth Bay round cairn Round cairn Trearddur 53.3116°N 4.6823°W / 53.3116; -4.6823 (Gogarth Bay round cairn),
SH214827		 Round cairn on the summit of a coastal ridge known as Garn, close to the Llochwydd chapel and hut site at AN133. The large low mound of stones is a Bronze Age burial cairn, with dramatic views of the coast and area. Prehistoric
(Bronze Age)		 AN147
[75]
Holyhead Mountain Hut Circles Hut circle settlement Trearddur 53.3054°N 4.6838°W / 53.3054; -4.6838 (Holyhead Mountain Hut Circles),
SH212820		 This collection of over 20 impressive unenclosed circular stone huts (named as 'Cytiau'r Gwyddelod' on OS maps) at Ty Mawr, near South Stack, has been in the care of the state since 1911. Some 50 hut sites were noted by W O Stanley in 1862, many of which are no longer visible. The site is now within the South Stack Cliffs RSPB reserve. Evidence for occupation from the Mesolithic through to Early Medieval periods has been found, but the main standing remains are from the Iron Age. Prehistoric
(Iron Age)		 AN016
[76]
Plas Meilw Hut Circles Unenclosed hut circle Trearddur 53.2956°N 4.6573°W / 53.2956; -4.6573 (Plas Meilw Hut Circles),
SH230809		 Collection of Iron Age huts, of which two now remain as visible circles. They were excavated in 1868 by William Owen Stanley who identified 12 round huts and two rectangular buildings. A fireplace, stone flooring, quernstones, a variety of hammers, pounders, grinding stones, spindlewhorls, whetstones and pottery were found along with possible evidence of copper smelting. By 2013 the site was overgrown with brambles and gorse. Prehistoric
(Iron Age)		 AN033
[77]
Porth Dafarch Hut Circles Round barrows and Settlement Trearddur 53.2882°N 4.6505°W / 53.2882; -4.6505 (Porth Dafarch Hut Circles),
SH234800		 Complex coastal site with two Bronze Age burial mounds overlaid by Romano-British hut circles that had become buried by wind-blown sand. These were investigated by William Owen Stanley in 1878, with further excavations by B. H. St. John O'Neill of the Ministry of Works prior to road-widening in 1939 which then obliterated some of the settlement. The hut group comprised at least two circular huts with low stone walls and a central post-hole, with hearths suggesting several different phases of occupation. A selection of 2nd to 4th century finds included sherds of Samian ware pottery, a glass bead, a later Iron Age bronze tankard handle, a collection of stone objects including spindle whorls and rotary querns, a pennanular brooch and a carnelian intaglio. The finds are now held by National Museum Wales. Prehistoric
(Bronze Age and Romano-British)		 AN034
[78]
Tre-Arddur Hut Group Enclosed hut circle Trearddur 53.2874°N 4.6079°W / 53.2874; -4.6079 (Tre-Arddur Hut Group),
SH262798		 Identified in 1959 as a group of three circular hut foundations, the site has not had any excavations. It is now mostly obscured by gorse thickets within the Trearddur Bay Caravan Park. It dates to the 1st century BC and its location on an east-facing knoll overlooking the channel between Holy Island and Anglesey, suggests a link with a similar hut group on the far bank of the channel on the Ynys Leurad peninsular (AN035) in Valley Community, perhaps indicating the two sides of a ferry route. Prehistoric
(Iron Age)		 AN092
[79]
Bedd Branwen Round Cairn Round barrow Tref Alaw 53.3363°N 4.4628°W / 53.3363; -4.4628 (Bedd Branwen Round Cairn),
SH361849		 Bronze Age cairn beside the River Alaw. An excavation of 1813 found a cremation urn, and linked the site to the burial of Branwen. The cairn has a central pillar dated to before 2000BC, and the mound raised around it soon after 1400BC. Up to 12 cremated burial urns have been identified in an excavation of 1966. Prehistoric
(Bronze Age)		 AN098
[80]
Ynys Leurad Hut Circles Hut circle settlement Valley 53.2799°N 4.5858°W / 53.2799; -4.5858 (Ynys Leurad Hut Circles),
SH277790		 Prehistoric
(Iron Age)		 AN035
[81]
Tywyn-y-Parc Promontory Fort Promontory Fort - coastal Bodorgan 53.1568°N 4.4414°W / 53.1568; -4.4414 (Tywyn-y-Parc Promontory Fort),
SH368649		 The fort is defined by a substantial bank running across the neck of the promentary with a possible gate at the northern edge. 70m long, 8m wide and 2.5m high, it forms a substantial barrier, and has two shorter sections of outer walls which overlap slightly. Prehistoric
 AN049
[82]
Y Werthyr Hillfort Hillfort Bryngwran 53.2758°N 4.4391°W / 53.2758; -4.4391 (Y Werthyr Hillfort),
SH374782		 Oval earthwork bank, 200m across, crossed through its western edge by the B5112 2 km NW of Gwalchmai in central Anglesey, Wales. Iron Age defensive double banked hillfort on a low hilltop, now quite faint on the ground, but the outline of which is retained in a hedge line west of the road. Prehistoric
(Iron Age)		 AN042
[83]
Dinas Gynfor Hillfort Hillfort Llanbadrig 53.4274°N 4.4236°W / 53.4274; -4.4236 (Dinas Gynfor Hillfort),
SH390950		 Prehistoric
 AN038
[84]
Din Sylwy Hillfort Llanddona 53.3108°N 4.1229°W / 53.3108; -4.1229 (Din Sylwy),
SH586814		 Also called Bwrdd Arthur, the earthworks enclose a relatively flat, partly overgrown area, 600 yards from the Irish Sea. Two entrances have been detected. Prehistoric
 AN024
[85]
Castell near Tre-Fadog Promontory Fort - coastal Llanfaethlu 53.3423°N 4.5686°W / 53.3423; -4.5686 (Castell Near Tre-Fadog),
SH290858		 Prehistoric
 AN082
[86]
Caer Idris Hillfort Hillfort Llanidan 53.1874°N 4.2546°W / 53.1874; -4.2546 (Caer Idris Hillfort),
SH494679		 Prehistoric
 AN051
[87]
Dinas Cadnant Hillfort Hillfort Menai Bridge 53.2377°N 4.1712°W / 53.2377; -4.1712 (Dinas Cadnant Hillfort),
SH551733		 Prehistoric
 AN048
[88]
Coed Newydd Boiling Mounds & Smelting Hearth Burnt mound Moelfre 53.3475°N 4.2715°W / 53.3475; -4.2715 (Coed Newydd Boiling Mounds & Smelting Hearth),
SH488858		 Prehistoric
 AN103
[89]
Din Lligwy Hut Group Enclosed hut circle Moelfre 53.3508°N 4.2592°W / 53.3508; -4.2592 (Din Lligwy Ancient Village),
SH497861		 Stone foundation walls of a group of Iron Age houses and workshops, surrounded by an enclosing wall. Prehistoric
 AN023
[90]
Caer y Tŵr Hillfort Trearddur 53.3131°N 4.6747°W / 53.3131; -4.6747 (Caer y Twr),
SH219829		 A Roman-era hillfort on the summit of the Holyhead Mountain. Now mostly rubble, but its walls can still be made out, including a large stone rampart on the north and east sides. Prehistoric
 AN019
[91]
Dinas Porth Ruffydd Hillfort Trearddur 53.2819°N 4.6673°W / 53.2819; -4.6673 (Dinas Porth Ruffydd),
SH222794		 Prehistoric
 AN121
[92]
Y Werthyr Hillfort Hillfort Tref Alaw 53.3303°N 4.4594°W / 53.3303; -4.4594 (Y Werthyr HIllfort),
SH363843		 Bivallate hillfort on an imposing hill top. Ramparts are now mostly ploughed out. Prehistoric
 AN158
.[93]
Capel Eithin (site of) and Cemetery Chapel Llanfihangel Ysgeifiog 53.2293°N 4.2634°W / 53.2293; -4.2634 (Capel Eithin (site of) and Cemetery),
SH490726		 Prehistoric
 AN120
[94]
Bryn Eryr Rectangular Earthwork Enclosure Cwm Cadnant 53.2578°N 4.1892°W / 53.2578; -4.1892 (Bryn Eryr Rectangular Earthwork),
SH540756		 Roman
 AN100
[95]
Hendrefor Earthwork Enclosure Cwm Cadnant 53.2655°N 4.1825°W / 53.2655; -4.1825 (Hendrefor Earthwork),
SH545765		 Roman
 AN075
[96]
Caer Gybi Roman Fortlet Fort Holyhead 53.3116°N 4.632°W / 53.3116; -4.632 (Caer Gybi Roman Fortlet),
SH247826		 Small fortlet at the centre of Holyhead. Possibly a late-4th-century outpost for Segontium, to defend Anglesey from Irish sea-raiders Roman
 AN031
[97]
Parciau hill fort Hillfort Llaneugrad 53.3374°N 4.2627°W / 53.3374; -4.2627 (Parciau Hillfort),
SH494846		 Roman
 AN041
[98]
Caer Lêb Enclosure Llanidan 53.1819°N 4.2866°W / 53.1819; -4.2866 (Caer Leb),
SH472674		 Roman
 AN014
[99]
Bodafon Mountain Hut Groups Enclosed hut circle Moelfre 53.3394°N 4.2983°W / 53.3394; -4.2983 (Bodafon Mountain Hut Groups),
SH470849		 Roman
 AN040
[100]
Pen-Sieri Inscribed Stone Inscribed stone Aberffraw 53.2069°N 4.4951°W / 53.2069; -4.4951 (Pen-Sieri Inscribed Stone),
SH334706		 Early Christian memorial stones with the words 'MAILIS' [=(stone of Mail)], plus some Ogham text, suggesting 5th or 6th century date. In 1802 it was in use as a barn lintel. In 2002 it was relocated inside a farm building at Trecastell Farm. Early Medieval
 AN058
[101]
Bodedern Early Christian Cemetery Cemetery Bodedern 53.2906°N 4.4898°W / 53.2906; -4.4898 (Bodedern Early Christian Cemetery),
SH341799		 Early Medieval
 AN099
[102]
Bodfeddan Inscribed Stone Inscribed stone Llanfaelog 53.2429°N 4.465°W / 53.2429; -4.465 (Bodfeddan Inscribed Stone),
SH356745		 Standing Stone 2m high, alongside the A4080 1 km north of Pencarnisiog. Inscribed on Northern face is the text CVNOGVS_HIC IACIT (the Stone of Cunogus(s)us He lies here). The text is dated to the 5th or 6th century AD, but a well-defined cup mark may indicate the stone is a prehistoric item. Early Medieval
 AN021
[103]
 Penmon Cross Cross Llangoed 53.3058°N 4.0568°W / 53.3058; -4.0568 (Cross in Penmon Priory),
SH630807		 Early Medieval
 AN063
[104]
St Seiriol's Well, Penmon Holy Well Llangoed 53.3064°N 4.0566°W / 53.3064; -4.0566 (St Seiriol's Well, Penmon),
SH630808		 Early Medieval
 AN062
[105]
Monastic Settlement on Puffin Island Monastic settlement Llangoed 53.3193°N 4.0253°W / 53.3193; -4.0253 (Tower & Remains of Church and Monastic Settlement on Puffin Island),
SH651821		 Early Medieval
 AN064
[106]
Mynwent y Llwyn Chapel? Llangristiolus 53.2325°N 4.31°W / 53.2325; -4.31 (Mynwent y Llwyn),
SH459730		 Broad mound on Malltraeth marsh, beside the old A5. It has long been suggested, and doubted, as the site of a chapel, however a resistivity survey in 1970 found the foundations of a rectangular building. The name means 'the burial ground of the grove' Early Medieval?
 AN065
[107]
Llangaffo inscribed stones Cross shaft Rhosyr 53.1911°N 4.3277°W / 53.1911; -4.3277 (Early Gravestones & Shaft in Churchyard),
SH445685		 In the churchyard of St Caffo's Church, Llangaffo, there is a part of a 9th-century stone cross, and inscribed gravestones from the 9th to 11th centuries Early Medieval
 AN053
[108]
Beaumaris Castle Castle Beaumaris 53.2649°N 4.0897°W / 53.2649; -4.0897 (Beaumaris Castle),
SH607762		 One of the most famous castles of Edward I. Part of the Castles and Town Walls of Gwynedd World Heritage site Medieval
 AN001
[109]
 Beaumaris Town Wall Town Wall Beaumaris 53.2647°N 4.0941°W / 53.2647; -4.0941 (Beaumaris Town Wall),
SH604762		 Medieval
 AN123
[110]
Llanfaes Friary Friary Beaumaris 53.2746°N 4.0871°W / 53.2746; -4.0871 (Site of Friary at Llanfaes),
SH609773		 Medieval
 AN134
[111]
Hafoty Medieval House House (domestic) Cwm Cadnant 53.2809°N 4.1579°W / 53.2809; -4.1579 (Hafoty Old Farm House),
SH562781		 Medieval
 AN097
[112]
Castell Crwn Ringwork Cylch-y-Garn 53.3879°N 4.5098°W / 53.3879; -4.5098 (Castell Crwn),
SH331908		 Medieval
 AN029
[113]
St Michael's Church, Llanfihangel Ysgeifiog Church Llanfihangel Ysgeifiog 53.236°N 4.2809°W / 53.236; -4.2809 (Old Parish Church & Churchyard),
SH478734		 Medieval
 AN052
[114]
Plas Berw House (domestic) Llanfihangel Ysgeifiog 53.2206°N 4.2993°W / 53.2206; -4.2993 (Plas Berw),
SH465717		 Medieval
 AN057
[115]
Tre-Garnedd Moated Site Moated Site Llangefni 53.2466°N 4.2964°W / 53.2466; -4.2964 (Tre-Garnedd Moated Site),
SH468746		 Medieval
 AN047
[116]
 Aberlleiniog Castle Motte Llangoed 53.2926°N 4.0772°W / 53.2926; -4.0772 (Aberlleiniog Castle),
SH616793		 Civil War stone fortifications on a medieval motte Medieval
 AN020
[117]
Penmon Priory Priory Llangoed 53.3055°N 4.0568°W / 53.3055; -4.0568 (Penmon Priory),
SH630807		 Early medieval religious foundation that was an Augustinian Priory by 1237 Medieval
 AN027
[118]
Old Church of St Nidan, Llanidan Church Llanidan 53.1779°N 4.2535°W / 53.1779; -4.2535 (Old Parish Church),
SH494669		 Medieval
 AN054
[119]
Capel Lligwy Chapel Moelfre 53.3523°N 4.2564°W / 53.3523; -4.2564 (Capel Lligwy),
SH499863		 12th century ruined chapel with a 16th-century side chapel with a vault beneath. At some point it became a private place of worship for a nearby house, then later fell into disrepair and now has no roof, but stands as a picturesque ruin. Medieval
 AN056
[120]
Ffynnon Allgo (St Allgo's Well) Holy Well Moelfre 53.3385°N 4.2559°W / 53.3385; -4.2559 (Ffynnon Allgo),
SH498847		 Medieval
 AN068
[121]
Traeth Lligwy Fish Weir Fish weir Moelfre 53.3606°N 4.2555°W / 53.3606; -4.2555 (Traeth Lligwy Fish Weir),
SH500872		 Fish trap built as a crescent of rocks near the low-tide mark of Lligwy Bay, near Moelfre, Anglesey. It is of uncertain date, is covered at high-tide, and was used to trap fish in the pond it creates at low-tide. Medieval
 AN144
[122]
St Gwenfaen's Well Holy Well Rhoscolyn 53.2473°N 4.6101°W / 53.2473; -4.6101 (Ffynnon Gwenfaen),
SH259754		 An early medieval holy well in the south west of Holy Island, named after St Gwenfaen, whose cloister was nearby. Also known as Welsh: Ffynnon Gwenfaen. Medieval
 AN055
[123]
Pen-y-Fynwent Enclosure Enclosure Rhosybol 53.3732°N 4.356°W / 53.3732; -4.356 (Pen-y-Fynwent Enclosure),
SH433888		 Medieval or pre-medieval homestead enclosure, and suggested site of a chapel. The enclosure survives as a low bank. No trace now remains of the chapel, which 19th century sources named variously as Bettws Bwchwdw, Capel Tegeryn, and a Church dedicated to St Morwenna. A Bronze Age Mound (AN125) is in the same field. Medieval
 AN124
[124]
Llys Rhosyr Manor Rhosyr 53.162°N 4.3661°W / 53.162; -4.3661 (Llys Rhosyr),
SH419653		 Thirteenth century llys, a court of the princes of Gwynedd, excavated in 1993. It went out of use during the 14th century when the nearby 'new borough' was founded, and the llys was buried by the dunes. Medieval
(13th century)		 AN129
[125]
St Dwynwen's Church Church Rhosyr 53.1373°N 4.4132°W / 53.1373; -4.4132 (St Dwynwen's Church),
SH387627		 Medieval
 AN046
[126]
Pont Aberffraw Bridge Aberffraw 53.1921°N 4.4625°W / 53.1921; -4.4625 (Pont Aberffraw),
SH355689		 Bridge over the Afon Ffraw at Aberffraw, built by Sir A. Owen in 1731. A walled causeway continues to the east over the large expanse of sand dunes of Tywyn Aberffraw. The bridge is now only open to pedestrians. Post-Medieval /Modern AN101
[127]
Parys Mountain Tower Amlwch 53.3865°N 4.3448°W / 53.3865; -4.3448 (Parys Mountain: Windmill, Engine House, Precipitation Pits and Great Opencast),
SH441903		 Windmill, Engine House, Precipitation Pits and Great Opencast Post-Medieval /Modern AN111
[128]
Gorad Friars Bach Fish Weir Fish weir Beaumaris 53.2781°N 4.0787°W / 53.2781; -4.0787 (Gorad Friars Bach Fish Weir),
SH615777		 Post-Medieval /Modern AN140
[129]
Llanddona Fish Weir Fish weir Llanddona 53.3081°N 4.1439°W / 53.3081; -4.1439 (Llanddona Fish Weir),
SH572812		 A post medieval intertidal fish trap at the eastern end of the beach at Red Wharf Bay near Llanddona. Post-Medieval /Modern AN137
[130]
Parciau Dovecot Dovecote Llaneugrad 53.3309°N 4.2576°W / 53.3309; -4.2576 (Parciau Dovecot),
SH497839		 Post-Medieval /Modern AN036
[131]
Coed Mor Fish Weir Fish weir Llanfair Pwllgwyngyll 53.2188°N 4.1841°W / 53.2188; -4.1841 (Coed Mor Fish Weir),
SH542713		 Post-Medieval /Modern AN138
[132]
Gorad Ddu Fish Weir Fish weir Llanfair Pwllgwyngyll 53.2214°N 4.1797°W / 53.2214; -4.1797 (Gorad Ddu Fish Weir),
SH545715		 Post-Medieval /Modern AN139
[133]
North Weir and Smoke Tower, Ynys Gorad Goch Fish weir Llanfair Pwllgwyngyll 53.2187°N 4.1813°W / 53.2187; -4.1813 (North Weir and Smoke Tower, Ynys Gorad Goch),
SH544712		 Post-Medieval /Modern AN096
[134]
Felin Carnau Tide Mill Tidemill Llanfair-yn-Neubwll 53.2541°N 4.5514°W / 53.2541; -4.5514 (Felin Carnau Tide Mill),
SH298760		 Post-Medieval /Modern AN131
[135]
Felin Wen Tide Mill Tidemill Llanfair-yn-Neubwll 53.2644°N 4.5565°W / 53.2644; -4.5565 (Felin Wen Tide Mill),
SH295772		 Post-Medieval /Modern AN130
[136]
Aberlleiniog Fish Weir I Fish weir Llangoed 53.2902°N 4.0672°W / 53.2902; -4.0672 (Aberlleiniog Fish Weir I),
SH625792		 Post-Medieval /Modern AN142
[137]
Aberlleiniog Fish Weir II Fish weir Llangoed 53.2911°N 4.0628°W / 53.2911; -4.0628 (Aberlleiniog Fish Weir II),
SH625793		 Post-Medieval /Modern AN143
[138]
Penmon Dovecote Dovecote Llangoed 53.3056°N 4.0557°W / 53.3056; -4.0557 (Penmon Dovecot),
SH631807		 Post-Medieval /Modern AN061
[139]
Trecastell Fish Weir Fish weir Llangoed 53.2862°N 4.07°W / 53.2862; -4.07 (Trecastell Fish Weir),
SH621786		 Post-Medieval /Modern AN141
[140]
Bodafon Mountain Early Medieval Homestead Settlement Moelfre 53.3369°N 4.2976°W / 53.3369; -4.2976 (Bodafon Mountain Early Medieval Homestead),
SH471846		 Post-Medieval /Modern AN039
[141]
Bodior Tide Mill Tidemill Rhoscolyn 53.2605°N 4.5685°W / 53.2605; -4.5685 (Bodior Tide Mill),
SH287767		 Post-Medieval /Modern AN132
[142]
Hendai Medieval Farmstead Farmstead Rhosyr 53.1469°N 4.3864°W / 53.1469; -4.3864 (Hendai Medieval Farmstead),
SH404637		 Post-Medieval /Modern AN108
[143]
Newlands Fish Weir Fish weir Valley 53.2955°N 4.5646°W / 53.2955; -4.5646 (Newlands Fish Weir),
SH290807		 Post-Medieval /Modern AN145
[144]
Dyffryn Adda Copper Furnace and Precipitation Ponds Copper mine Amlwch 53.396°N 4.3506°W / 53.396; -4.3506 (Dyffryn Adda Copper Furnace and Precipitation Ponds),
SH438913		 Post-Medieval /Modern AN135
[145]
Mona Mine Copper mine Amlwch 53.3872°N 4.3375°W / 53.3872; -4.3375 (Mona Mine Kilns and Sublimation Chambers, Mynydd Parys),
SH446903		 Kilns and Sublimation Chambers at Mona Mine, Mynydd Parys Post-Medieval /Modern AN136
[146]
Porth Wen Brickworks Brickworks Llanbadrig 53.424°N 4.4065°W / 53.424; -4.4065 (Porth Wen Brickworks),
SH401946		 A now disused Victorian brickworks which produced fire bricks. The substantial remains include a number of buildings and the remains of some of the machinery. Post-Medieval /Modern AN109
[147]
Quay on the Stanley Embankment Quay Valley 53.289°N 4.5789°W / 53.289; -4.5789 (The Holyhead Road: quay on the Stanley Embankment),
SH281999		 The Quay is the best preserved element of Thomas Telford's Stanley Embankment, the causeway between Holyhead and Anglesey. It was built in 1823 as the final link in the London to Holyhead Road. The angles of the masonry walls allowed ships to moor alongside the large unloading area. The main change in the original design is the addition of a higher parapet. Post-Medieval /Modern AN146
[148]
Berw Colliery Colliery Llanfihangel Ysgeifiog 53.2269°N 4.3031°W / 53.2269; -4.3031 (Berw Colliery),
SH463724		 Post-Medieval /Modern AN152
[149]
Scheduled Monuments in Isle of Anglesey, Wales.
=Prehistoric =Roman =Early Medieval
=Medieval =Post-Medieval/Modern

See also

References
  1. Cadw: Ancient Monuments and Scheduling. Accessed 25 April 2013
  2. Cadw will send their list as a spreadsheet, or other electronic formats, on request, as indicated at www.whatdotheyknow.com. This list uses information dated May 2012. The sites can also be accessed via a map-based datavbase at cadw.gov.wales/historicenvironment, accessed 14 September 2017
  3. coflein NPRN: 95545. GAT PRN: 3032. Historic Wales Map with link to Cadw ID: AN032, Barclodiad-y-Gawres Burial Chamber
  4. coflein NPRN: 302471. GAT PRN: 2528. Historic Wales Map with link to Cadw ID: AN008, Din Dryfol Burial Chamber
  5. coflein NPRN: 302343. GAT PRN: 3038. Historic Wales Map with link to Cadw ID: AN149, Mynydd Bach round cairn
  6. coflein NPRN: 302323. GAT PRN: 3003. Historic Wales Map with link to Cadw ID: AN148, Trwyn Du round cairn
  7. coflein NPRN: 302471. GAT PRN: 3541. Historic Wales Map with link to Cadw ID: AN150, Werthyr standing stone
  8. coflein NPRN: 93832. GAT PRN: 2049. Historic Wales Map with link to Cadw ID: AN010, Presaddfed Burial Chamber
  9. coflein NPRN: 302361. GAT PRN: 2622. Historic Wales Map with link to Cadw ID: AN089, Malltraeth Yard Standing Stone
  10. coflein NPRN: 302676. GAT PRN: 2643. Historic Wales Map with link to Cadw ID: AN074, Cremlyn Standing Stones
  11. coflein NPRN: 302614. GAT PRN: 2640. Historic Wales Map with link to Cadw ID: AN025, Hendrefor Burial Chambers
  12. coflein NPRN: 302645. GAT PRN: 2176. Historic Wales Map with link to Cadw ID: AN072, Pen-y-Maen Standing Stone
  13. coflein NPRN: 302613. GAT PRN: 2175. Historic Wales Map with link to Cadw ID: AN073, Ty-Wyn Standing Stone
  14. coflein NPRN: 302613. GAT PRN: 2175. Historic Wales Map with link to Cadw ID: AN081, Pen-yr-Orsedd Standing Stones
  15. coflein NPRN: 302268. GAT PRN: 2501. Historic Wales Map with link to Cadw ID: AN012, Ty-Mawr Standing Stone
  16. coflein NPRN: 93827. GAT PRN: 2694. Historic Wales Map with link to Cadw ID: AN002, Bryn-Celli-Ddu Burial Chamber
  17. coflein NPRN: 302503. GAT PRN: 2710. Historic Wales Map with link to Cadw ID: AN085, Bryn-Celli-Ddu Standing Stone
  18. coflein NPRN: 300180. GAT PRN: 2172. Historic Wales Map with link to Cadw ID: AN006, Bryn-yr-Hen-Bobl Burial Chamber
  19. coflein NPRN: 93829. GAT PRN: 2171. Historic Wales Map with link to Cadw ID: AN005, Plas Newydd Burial Chambers
  20. coflein NPRN: 302504. GAT PRN: 2709. Historic Wales Map with link to Cadw ID: AN084, Tyddyn-Bach Standing Stone
  21. coflein NPRN: 302647. GAT PRN: 2649. Historic Wales Map with link to Cadw ID: AN153, Llanddona Standing Stone
  22. coflein NPRN: 302457. GAT PRN: 2737. Historic Wales Map with link to Cadw ID: AN155, Hirdre-Faig Standing Stone
  23. coflein NPRN: 302506. GAT PRN: 2753. Historic Wales Map with link to Cadw ID: AN071, Llanddyfnan Standing Stone
  24. coflein NPRN: 302478. GAT PRN: 2199. Historic Wales Map with link to Cadw ID: AN069, Maen Addwyn
  25. Account of Ty Newydd by J.E. Griffiths: Arch Cambrensis, Vol X, 1864
  26. coflein NPRN: 93834. GAT PRN: 3030. Historic Wales Map with link to Cadw ID: AN013, Ty-Newydd Burial Chamber
  27. coflein NPRN: 302298. GAT PRN: 2021. Historic Wales Map with link to Cadw ID: AN083, Capel Soar Standing Stone
  28. coflein NPRN: 302558. GAT PRN: 2693. Historic Wales Map with link to Cadw ID: AN037, Burial Chamber 180m NE of Pen-y-Berth
  29. coflein NPRN: 302679. GAT PRN: 3610. Historic Wales Map with link to Cadw ID: AN094, Benllech Megalith: Goosehouse
  30. coflein NPRN: 300835. GAT PRN: 3602. Historic Wales Map with link to Cadw ID: AN154, Glyn, Burial Chamber 450m N of
  31. British Goblins, Wirt Sykes (1880) p.389
  32. www.stone-circles.org.uk - pantysaer accessed 20 September 2014
  33. coflein NPRN: 95529. GAT PRN: 3601. Historic Wales Map with link to Cadw ID: AN004, Pant-y-Saer Burial Chamber
  34. coflein NPRN: 302374. GAT PRN: 2160.Historic Wales Map with link to Cadw ID: AN003, Henblas Burial Chamber
  35. coflein NPRN: 93830. GAT PRN: 3134. Historic Wales Map with link to Cadw ID: AN007, Bodowyr Burial Chamber
  36. coflein NPRN: 302402. GAT PRN: 3135. Historic Wales Map with link to Cadw ID: AN022, Bryngwyn Standing Stones
  37. coflein NPRN: 302422. GAT PRN: 3136. Historic Wales Map with link to Cadw ID: AN059, Perthi-Duon Burial Chamber
  38. coflein NPRN: 302430. GAT PRN: 3145. Historic Wales Map with link to Cadw ID: AN086, Trefwri Standing Stone
  39. coflein NPRN: 302477. GAT PRN: 2201. Historic Wales Map with link to Cadw ID: AN070, Llech Golman
  40. coflein NPRN: 302467. GAT PRN: 3543. Historic Wales Map with link to Cadw ID: AN078, Bodewryd Standing Stone
  41. coflein NPRN: 302330. GAT PRN: 3048. Historic Wales Map with link to Cadw ID: AN080, Standing Stone 410m North of Church
  42. coflein NPRN: 302331. GAT PRN: 3047. Historic Wales Map with link to Cadw ID: AN030, Standing Stones
  43. coflein NPRN: 95532. GAT PRN: 3594. Historic Wales Map with link to Cadw ID: AN009, Lligwy Burial Chamber
  44. coflein NPRN: 275604. GAT PRN: 2125. Historic Wales Map with link to Cadw ID: AN106, Ogof Arian Cave
  45. coflein NPRN: 402228. GAT PRN: 2115. Historic Wales Map with link to Cadw ID: AN151, Plas Bodafon, standing stone to WNW of
  46. coflein NPRN: 302476. GAT PRN: 3579. Historic Wales Map with link to Cadw ID: AN067, Carreg Leidr
  47. coflein NPRN: 302472. GAT PRN: 2103. Historic Wales Map with link to Cadw ID: AN077, Llys Einion Standing Stone
  48. coflein NPRN: 302473. GAT PRN: 2104. Historic Wales Map with link to Cadw ID: AN076, Maen Chwyf
  49. coflein NPRN: 95537. GAT PRN: 2748. Historic Wales Map with link to Cadw ID: AN017, Penrhos Feilw Standing Stones
  50. coflein NPRN: 95535. GAT PRN: 2500. Historic Wales Map with link to Cadw ID: AN011, Trefignath Burial Chamber
  51. coflein NPRN: 302329. GAT PRN: 2066. Historic Wales Map with link to Cadw ID: AN090, Glan-Alaw Standing Stone
  52. coflein NPRN: 93838. GAT PRN: 2062. Historic Wales Map with link to Cadw ID: AN018, Tregwehelydd Standing Stone
  53. coflein NPRN: 302306. GAT PRN: 2520, (also GAT PRN: 1539). Historic Wales Map with link to Cadw ID: AN088, Castellor Hut Group
  54. coflein NPRN: 95594. GAT PRN: 2599. Historic Wales Map with link to Cadw ID: AN126, Enclosed Hut Group West of Mariandyrys
  55. coflein NPRN: 302685. GAT PRN: 2663. Historic Wales Map with link to Cadw ID: AN128, Hut Circle W of Buarth Cyttir
  56. coflein NPRN: 300850. GAT PRN: 2128 and GAT PRN: 2129. Historic Wales Map with link to Cadw ID: AN105, Caerhoslligwy Enclosed Hut Groups
  57. coflein NPRN: 302529. GAT PRN: 3609. Historic Wales Map with link to Cadw ID: AN127, Hut Group S of Bwlch, Benllech
  58. coflein NPRN: 93857. GAT PRN: 60. Historic Wales Map with link to Cadw ID: AN043, Pant-y-Saer Hut Circles
  59. coflein NPRN: 300853. GAT PRN: 2563. Historic Wales Map with link to Cadw ID: AN044, Penmon Deer Park Hut Groups & Terraces
  60. coflein NPRN: 302364. GAT PRN: 2150. Historic Wales Map with link to Cadw ID: AN112, Graiglas Barrow
  61. coflein NPRN: 309532. GAT PRN: 1548. Historic Wales Map with link to Cadw ID: AN122, Tyddyn Sadler Hut Group
  62. coflein NPRN: 93836. GAT PRN: 3140. Historic Wales Map with link to Cadw ID: AN015, Castell Bryn-Gwyn
  63. coflein NPRN: 93883. GAT PRN: 3138. Historic Wales Map with link to Cadw ID: AN087, Pont Sarn-Las Hut Group
  64. coflein NPRN: 58980. GAT PRN: 1550. Historic Wales Map with link to Cadw ID: AN060, Round Barrow East of Brynsiencyn
  65. coflein NPRN: 302339. GAT PRN: 2083. Historic Wales Map with link to Cadw ID: AN091, Cors-y-Bol Round Barrow
  66. coflein NPRN: 300840. GAT PRN: 3053. Historic Wales Map with link to Cadw ID: AN079, Llifad, Carreglefn
  67. coflein NPRN: 302341. GAT PRN: 3055. Historic Wales Map with link to Cadw ID: AN110, Pen-y-Morwyd Round Barrow
  68. coflein NPRN: 302483. GAT PRN: 2127. Historic Wales Map with link to Cadw ID: AN104, Bwlch-y-Dafarn Enclosed Hut Group
  69. coflein NPRN: 302510. GAT PRN: 3595. Historic Wales Map with link to Cadw ID: AN095, Hut Group N of Glan'r Afon
  70. coflein NPRN: 302509. GAT PRN: 3611. Historic Wales Map with link to Cadw ID: AN093, Marian Glas Hut Group
  71. coflein NPRN: 302484. GAT PRN: 2131. Historic Wales Map with link to Cadw ID: AN102, Parc Salmon Hut Group
  72. coflein NPRN: 302474. GAT PRN: 2101. Historic Wales Map with link to Cadw ID: AN125, Pen-y-Fynwent Barrow
  73. Blackwood's Edinburgh Magazine, 1831, Volume 29 p.163 This account describes how, 'until 60 years ago', a hopeful lad or lass would descend down to a holy well near the water's edge, get a mouthful of well-water and two handfuls of sand, and attempt to get back to the chapel on the cliff-top, with the sand and water intact. Success in this was said to pressage being married within the year. The practice was suppressed by Revd Ellis, who also reduced the remote chapel to rubble.
  74. coflein NPRN: 275609. GAT PRN: 1753. Historic Wales Map with link to Cadw ID: AN133, Enclosed Hut Circle Settlement at Capel Llochwydd
  75. coflein NPRN: 403437. GAT PRN: 3804. Historic Wales Map with link to Cadw ID: AN147, Gogarth Bay round cairn
  76. coflein NPRN: 308078. GAT PRN: 1755. Historic Wales Map with link to Cadw ID: AN016, Holyhead Mountain Hut Circles
  77. coflein NPRN: 302258. GAT PRN: 2752. Historic Wales Map with link to Cadw ID: AN033, Plas Meilw Hut Circles
  78. coflein NPRN: 56021. GAT PRN: 2754. Historic Wales Map with link to Cadw ID: AN034, Porth Dafarch Hut Circles
  79. coflein NPRN: 275603. GAT PRN: 2003. Historic Wales Map with link to Cadw ID: AN092, Tre-Arddur Hut Group
  80. coflein NPRN: 302327. GAT PRN: 2088. Historic Wales Map with link to Cadw ID: AN098, Bedd Branwen Round Cairn
  81. coflein NPRN: 302274. GAT PRN: 2000. Historic Wales Map with link to Cadw ID: AN035, Ynys Leurad Hut Circles
  82. coflein NPRN: 93864. GAT PRN: 3024. Historic Wales Map with link to Cadw ID: AN049, Tywyn-y-Parc Promontory Fort
  83. coflein NPRN: 95549. GAT PRN: 3505. Historic Wales Map with link to Cadw ID: AN042, Y Werthyr Hillfort
  84. coflein NPRN: 95547. GAT PRN: 3067. Historic Wales Map with link to Cadw ID: AN038, Dinas Gynfor Hillfort
  85. coflein NPRN: 93842. GAT PRN: 2595. Historic Wales Map with link to Cadw ID: AN024, Din Sylwy
  86. coflein NPRN: 95571. GAT PRN: 1. Historic Wales Map with link to Cadw ID: AN082, Castell Near Tre-Fadog
  87. coflein NPRN: 58125. GAT PRN: 1561. Historic Wales Map with link to Cadw ID: AN051, Caer Idris Hillfort
  88. coflein NPRN: 95551. GAT PRN: 1562. Historic Wales Map with link to Cadw ID: AN048, Dinas Cadnant Hillfort
  89. coflein NPRN: 406616. GAT PRN: 2117. Historic Wales Map with link to Cadw ID: AN103, Coed Newydd Boiling Mounds & Smelting Hearth
  90. coflein NPRN: 95541. GAT PRN: 2132. Historic Wales Map with link to Cadw ID: AN023, Din Lligwy Ancient Village
  91. coflein NPRN: 93839. GAT PRN: 1760. Historic Wales Map with link to Cadw ID: AN019, Caer y Twr
  92. coflein NPRN: 308070. GAT PRN: 807. Historic Wales Map with link to Cadw ID: AN121, Dinas Porth Ruffydd
  93. coflein NPRN: 302328. GAT PRN: 2077. Historic Wales Map with link to Cadw ID: AN158, Y Werthyr HIllfort
  94. coflein NPRN: 43559. GAT PRN: 2730. Historic Wales Map with link to Cadw ID: AN120, Capel Eithin (site of) and Cemetery
  95. coflein NPRN: 95582. GAT PRN: 401. Historic Wales Map with link to Cadw ID: AN120, Capel Eithin (site of) and Cemetery
  96. coflein NPRN: 95566. GAT PRN: 400. Historic Wales Map with link to Cadw ID: AN075, Hendrefor Earthwork
  97. coflein NPRN: 15607. GAT PRN: 1762. Historic Wales Map with link to Cadw ID: AN031, Roman Wall Surrounding St Cybi's Churchyard
  98. coflein NPRN: 95548. GAT PRN: 2203. Historic Wales Map with link to Cadw ID: AN041, Parciau Hillfort
  99. coflein NPRN: 95536. GAT PRN: 3137. Historic Wales Map with link to Cadw ID: AN014, Caer Leb
  100. coflein NPRN: 302466, coflein NPRN: 400740, coflein NPRN: 400746, and coflein NPRN: 400747. GAT PRN: 1552 and GAT PRN: 5524. Historic Wales Map with link to Cadw ID: AN040, Bodafon Mountain Hut Groups
  101. coflein NPRN: 407619. GAT PRN: 3033. Historic Wales Map with link to Cadw ID: AN058, Pen-Sieri Inscribed Stone
  102. coflein NPRN: 43589. GAT PRN: 2063. Historic Wales Map with link to Cadw ID: AN099, Bodedern Early Christian Cemetery
  103. coflein NPRN: 95540. GAT PRN: 2749. Historic Wales Map with link to Cadw ID: AN021, Bodfeddan Inscribed Stone
  104. coflein NPRN: 57813. GAT PRN: 2543.Historic Wales Map with link to Cadw ID: AN063, Cross in Penmon Priory
  105. coflein NPRN: 32173. GAT PRN: 2540. Historic Wales Map with link to Cadw ID: AN062, St Seiriol's Well, Penmon
  106. coflein NPRN: 527. GAT PRN: 5017. Historic Wales Map with link to Cadw ID: AN064, Tower & Remains of Church and Monastic Settlement on Puffin Island
  107. coflein NPRN: 43592. GAT PRN: 1593. Historic Wales Map with link to Cadw ID: AN065, Mynwent y Llwyn
  108. coflein NPRN: 275602, coflein NPRN: 415196 and coflein NPRN: 415199. GAT PRN: 2607 to GAT PRN: 2617. Historic Wales Map with link to Cadw ID: AN053, Early Gravestones & Shaft in Churchyard
  109. coflein NPRN: 95769. GAT PRN: 1573. Historic Wales Map with link to Cadw ID: AN001, Beaumaris Castle
  110. coflein NPRN: 302768. GAT PRN: 2577. Historic Wales Map with link to Cadw ID: AN123, Beaumaris Town Wall
  111. coflein NPRN: 300910. GAT PRN: 2573. Historic Wales Map with link to Cadw ID: AN134, Site of Friary at Llanfaes
  112. coflein NPRN: 15705. GAT PRN: 2650. Historic Wales Map with link to Cadw ID: AN097, Hafoty Old Farm House
  113. coflein NPRN: 95544. GAT PRN: 3515. Historic Wales Map with link to Cadw ID: AN029, Castell Crwn
  114. coflein NPRN: 43630. GAT PRN: 1583. Historic Wales Map with link to Cadw ID: AN052, Old Parish Church & Churchyard
  115. coflein NPRN: 15800. GAT PRN: 2726. Historic Wales Map with link to Cadw ID: AN057, Plas Berw
  116. coflein NPRN: 302404. GAT PRN: 2727. Historic Wales Map with link to Cadw ID: AN047, Tre-Garnedd Moated Site
  117. coflein NPRN: 58448. GAT PRN: 2570. Historic Wales Map with link to Cadw ID: AN020, Aberlleiniog Castle
  118. coflein NPRN: 95543. GAT PRN: 6621. Historic Wales Map with link to Cadw ID: AN027, Penmon Priory
  119. coflein NPRN: 43637. GAT PRN: 3151. Historic Wales Map with link to Cadw ID: AN054, Old Parish Church
  120. coflein NPRN: 11544. GAT PRN: 8104. Historic Wales Map with link to Cadw ID: AN056, Capel Lligwy
  121. coflein NPRN: 32151. GAT PRN: 2202. Historic Wales Map with link to Cadw ID: AN068, Ffynnon Allgo
  122. coflein NPRN: 406352. GAT PRN: 7228. Historic Wales Map with link to Cadw ID: AN144, Traeth Lligwy Fish Weir
  123. coflein NPRN: 32172. GAT PRN: 2004. Historic Wales Map with link to Cadw ID: AN055, Ffynnon Gwenfaen
  124. coflein NPRN: 43602. GAT PRN: 2102. Historic Wales Map with link to Cadw ID: AN124, Pen-y-Fynwent Enclosure
  125. coflein NPRN: 306904. GAT PRN: 899. Historic Wales Map with link to Cadw ID: AN129, Llys Rhosyr
  126. coflein NPRN: 27548. GAT PRN: 3026. Historic Wales Map with link to Cadw ID: AN046, St Dwynwen's Church
  127. coflein NPRN: 23722. GAT PRN: 3004. Historic Wales Map with link to Cadw ID: AN101, Pont Aberffraw
  128. coflein NPRN: 300166. GAT PRN: 3496 and GAT PRN: 3564. Historic Wales Map with link to Cadw ID: AN111, Parys Mountain: Windmill, Engine House, Precipitation Pits and Great Opencast
  129. coflein NPRN: 409034. GAT PRN: 892. Historic Wales Map with link to Cadw ID: AN140, Gorad Friars Bach Fish Weir
  130. coflein NPRN: 406349. GAT PRN: 7204. Historic Wales Map with link to Cadw ID: AN137, Llanddona Fish Weir
  131. coflein NPRN: 31070. GAT PRN: 2200. Historic Wales Map with link to Cadw ID: AN036, Parciau Dovecot
  132. coflein NPRN: 409071. GAT PRN: 7221. Historic Wales Map with link to Cadw ID: AN138, Coed Mor Fish Weir
  133. coflein NPRN: 409032. GAT PRN: 7219. Historic Wales Map with link to Cadw ID: AN139, Gorad Ddu Fish Weir
  134. coflein NPRN: 33276. GAT PRN: 2757. Historic Wales Map with link to Cadw ID: AN096, North Weir and Smoke Tower, Ynys Gorad Goch
  135. coflein NPRN: 275607. GAT PRN: 36124. Historic Wales Map with link to Cadw ID: AN131, Felin Carnau Tide Mill
  136. coflein NPRN: 402431. GAT PRN: 7234. Historic Wales Map with link to Cadw ID: AN130, Felin Wen Tide Mill
  137. coflein NPRN: 402485. GAT PRN: 1722. Historic Wales Map with link to Cadw ID: AN142, Aberlleiniog Fish Weir I
  138. coflein NPRN: 416641. GAT PRN: 14615. Historic Wales Map with link to Cadw ID: AN143, Aberlleiniog Fish Weir II
  139. coflein NPRN: 31079. GAT PRN: 2541. Historic Wales Map with link to Cadw ID: AN061, Penmon Dovecot
  140. coflein NPRN: 301746. GAT PRN: 1723. Historic Wales Map with link to Cadw ID: AN141, Trecastell Fish Weir
  141. coflein NPRN: 15013. GAT PRN: 1551. Historic Wales Map with link to Cadw ID: AN039, Bodafon Mountain Early Medieval Homestead
  142. coflein NPRN: 275608. GAT PRN: 7159. Historic Wales Map with link to Cadw ID: AN132, Bodior Tide Mill
  143. coflein NPRN: 15016. GAT PRN: 3083. Historic Wales Map with link to Cadw ID: AN108, Hendai Medieval Farmstead
  144. coflein NPRN: 405412. GAT PRN: 7193. Historic Wales Map with link to Cadw ID: AN145, Newlands Fish Weir
  145. coflein NPRN: 91697 and coflein NPRN: 91698. GAT PRN: 6789. Historic Wales Map with link to Cadw ID: AN135, Dyffryn Adda Copper Furnace and Precipitation Ponds
  146. coflein NPRN: 33573 and coflein NPRN: 33664. GAT PRN: 3498 and GAT PRN: 11495. Historic Wales Map with link to Cadw ID: AN136, Mona Mine Kilns and Sublimation Chambers, Mynydd Parys
  147. coflein NPRN: 40736 to coflein NPRN: 40750. GAT PRN: 3562. Historic Wales Map with link to Cadw ID: AN109, Porth Wen Brickworks
  148. coflein NPRN: 402350. GAT PRN: 18291. Historic Wales Map with link to Cadw ID: AN146, The Holyhead Road: quay on the Stanley Embankment
  149. coflein NPRN: 33370. GAT PRN: 5792. Historic Wales Map with link to Cadw ID: AN152, Berw Colliery
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