Lochan na h-Earba

The single name Lochan na h-Earba is applied to two lochs to the south of Loch Laggan in Highland, Scotland, close to the historic boundary between Lochaber and Badenoch. It is thought that the two lochs once formed a single loch, but became separated by the build up alluvial deposits from the Moy Burn (Scottish Gaelic: Allt a' Mhaigh), which now joins the short watercourse that connects the two lochs.[1] Ordnance Survey maps of the area show a single name printed across both lochs. They occupy a narrow glen running southwest to northeast, and roughly parallel with Loch Laggan, from which they are separated by the Binnein Shuas range of hills. The Munros of Geal Charn and Creag Pitridh are the highest peaks of the hills to the southeast.[2]

Lochan na h-Earba
View northeast from the southwest end of the west loch
Lochan na h-Earba
LocationHighland, Scotland
Coordinates56°55′12″N 4°29′20″W
Typefreshwater loch
Primary outflowsLoch Laggan via the Allt Labhrach
Basin countriesScotland

The lochs lie on the Ardverikie Estate.[3] They have been used as the location for several film and television productions, most frequently appearing regularly in the BBC series Monarch of the Glen, which was largely filmed in and around the Laggan area. Scences from Mrs Brown and Outlander have also been filmed here.[4]

Both lochs were fully surveyed by the Bathymetrical Survey of the Fresh-Water Lochs of Scotland in 1902.[5]

The west loch

The west loch sits an elevation of 351 metres (1,151.7 ft), and is 2.8 kilometres (1.75 mi) in length. It has a surface area of 106 hectares (263 acres), and contains 11,600,000 cubic metres (408,000,000 cu ft) of water. It has a maximum depth of 25 metres (81 ft), and a mean depth of 11 metres (35.5 ft). It is fed by numerous small burns, with the most significant being those descending from Beinn a' Chlachair.[6]

The east loch
View along the east loch from its southwestern end.

The east loch is fed chiefly by the outflow from the west loch, to which it is connected by a short watercourse. It is slightly lower than the west loch, with an elevation of 348 metres (1,142.3 ft). It is the smaller of the two lochs, being 2 kilometres (1.2 mi) long, with a surface area of 59 hectares (146 acres), and contains 5,400,000 cubic metres (191,000,000 cu ft) of water. It has a maximum depth of 21 metres (69 ft), and a mean depth of 9 metres (31 ft).[6]

References
  1. Tom Weir (1980). The Scottish Lochs. Constable and Company. pp. 142–3. ISBN 0-09-463270-7.
  2. Ordnance Survey, 1:50000 Landranger series. Sheet 42. Glen Garry and Loch Rannoch.
  3. "Property Page:Ardverikie Estate". Who Owns Scotland. Retrieved 10 August 2020.
  4. "Lochan na h-Earba, Badenoch". Scotland the Movie. Retrieved 10 August 2020.
  5. "Bathymetrical Survey of the Fresh-Water Lochs of Scotland: Alphabetical listing by river basin, then loch name". National Library of Scotland. Retrieved 10 August 2020.
  6. Bathymetrical Survey of the Fresh-Water Lochs of Scotland, 1897-1909. II {Pt 1). pp. 362–4.
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