Wollondilly River

The Wollondilly River, an Australian perennial river that is part of the Hawkesbury–Nepean catchment, is located in the Southern Tablelands and Southern Highlands regions of New South Wales. The river meanders from its western slopes near Crookwell, flowing south-east through Goulburn, turning north-east to near Bullio, flowing north-west to Barrallier, before finally heading north-easterly into its mouth at Lake Burragorang.

For the local government area, see Wollondilly Shire.

Wollondilly
Deerabublin River (1819–1968)[1]
A trek crossing the river, circa 1900. Picture from the Powerhouse Museum.
EtymologyAboriginal: wallandillii meaning 'water trickling over rocks'
(but there is no evidence for this in Tharawal language).[1]
Location
CountryAustralia
StateNew South Wales
RegionSouth Eastern Highlands (IBRA), Southern Tablelands, Southern Highlands
Local government areasGoulburn Mulwaree, Wollondilly Shire
Physical characteristics
SourceGreat Dividing Range
 • locationMcAlister, near Crookwell
 • coordinates34°27′0″S 149°34′0″E
 • elevation993 m (3,258 ft)
MouthLake Burragorang
 • coordinates
33°57′0″S 150°26′0″E
 • elevation
115 m (377 ft)
Length156 km (97 mi)
Basin size2,699 km2 (1,042 sq mi)[2]
Basin features
River systemHawkesbury–Nepean catchment
Tributaries 
 • leftLake Sooley, Tarlo River, Hanworth Creek, Tallygang Creek, Jocks Creek, Murruin Creek, Tomat Creek, New Yards Creek, Jooriland River
 • rightMulwaree River, Uringalla Creek, Bangadilly Creek, Wingecarribee River, Myrtle Creek (New South Wales), Goodfellows Creek
ReservoirsPejar Dam, Lake Burragorang
[1][3]

Course and features

The Wollondilly River was originally a tributary of the Warragamba River, and hence of the Hawkesbury–Nepean catchment. Following the construction of the Warragamba Dam across the Warragamba River, today the river flows into Lake Burragorang, the major water supply for the greater Sydney region.

The Wollondilly River rises about 7 kilometres (4.3 mi) east of Crookwell and initially flows south, impounded by Pejar Dam, to a point near Pomeroy. It then flows south-east and then east through Goulburn, where it is joined by the Mulwaree River. At Towrang the river turns north-east to a point near Bullio, where it is joined by the Wingecarribee River. From here the Wollondilly River takes a wide detour to the north-west to Barrallier, where it turn east before eventually regaining its north-easterly course into Lake Burragorang.[1]

The river has a total length of approximately 156 kilometres (97 mi).[1] The subcatchment area is 2,699 square kilometres (1,042 sq mi), and the largest in the Hawkesbury–Nepean Catchment.[2]

Wollondilly Shire is a local government area that is named after the Wollondilly River. The name Wollondilly is said to be derived from wallandillii, an Aboriginal word for 'water trickling over rocks'. However, there is no evidence for this in Tharawal language.[1]

See also

References
  1. "Wollondilly River". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales. Retrieved 19 December 2008.
  2. "Wollondilly River Subcatchment". Hawkesbury Nepean Catchment Management Authority. Government of New South Wales. 2008. Retrieved 27 November 2012.
  3. "Map of Wollondilly River, NSW". Bonzle. Digital Atlas Pty Limited. 2012. Retrieved 27 September 2012.
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