Lachlan River

The Lachlan River (Wiradjuri: Kalari, Galiyarr) is an intermittent river that is part of the Murrumbidgee catchment within the Murray–Darling basin, located in the Southern Tablelands, Central West, and Riverina regions of New South Wales, Australia.

Lachlan
Deadmans Creek, Boorungullen Chain, Mutbilly Creek
The Lachlan River at Cowra
Map of New South Wales, showing the Darling, Lachlan, Murrumbidgee and Murray rivers
EtymologyIn honour of Lachlan Macquarie
Native nameGaliyarr, Kalari (Wiradjuri)
Location
CountryAustralia
StateNew South Wales
RegionSouth Eastern Highlands, Riverina (IBRA), Southern Tablelands, Central West
Local government areasUpper Lachlan, Boorowa, Cowra, Weddin, Forbes, Lachlan
TownsBevendale, Breadalbane, Reids Flat, Wyangala, Cowra, Gooloogong, Forbes, Euabalong, Condobolin, Lake Cargelligo, Hillston, Booligal, Oxley
Physical characteristics
SourceGreat Dividing Range
Source confluenceHannans Creek and Mutmutbilly Creek
  locationeast of Gunning
  coordinates34°46′58″S 149°32′7″E
  elevation699 m (2,293 ft)
MouthMurrumbidgee River
  location
near Oxley
  coordinates
34°22′S 143°47′E
  elevation
68 m (223 ft)
Length1,440 km (890 mi)
Basin size84,700 km2 (32,700 sq mi)
Discharge 
  average49 m3/s (1,700 cu ft/s)
Basin features
River systemMurrumbidgee catchment,
Murray–Darling basin
Tributaries 
  leftBoorowa River
  rightCrookwell River, Abercrombie River, Belubula River
DamsWyangala Dam, Brewster Weir

The Lachlan River is connected to the Murray–Darling basin only when both the Lachlan and Murrumbidgee Rivers are in flood. It is the only river in New South Wales with significant wetlands along its length, rather than just towards its end, including Lake Cowal-Wilbertroy, Lake Cargelligo and Lake Brewster, and nine wetlands of national significance.

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