Gascoyne River

Gascoyne
The Gascoyne riverbed near Carnarvon
EtymologyCaptain John Gascoyne RN, son of Bamber Gascoyne
Location
CountryAustralia
StateWestern Australia
RegionGascoyne
CityCarnarvon
Physical characteristics
SourceCollier Range
  locationThree Rivers Station
  coordinates24°39′8″S 119°44′58″E / 24.65222°S 119.74944°E / -24.65222; 119.74944
  elevation514 m (1,686 ft)
2nd sourceGascoyne River (Middle)
  locationwest of Beyondie Lakes
  coordinates25°20′42″S 119°38′53″E / 25.34500°S 119.64806°E / -25.34500; 119.64806
3rd sourceGascoyne River (South)
  locationnear the Doolgunna homestead
  coordinates25°41′45″S 119°13′17″E / 25.69583°S 119.22139°E / -25.69583; 119.22139
Source confluenceGascoyne River (North)
  coordinates25°18′29″S 119°6′42″E / 25.30806°S 119.11167°E / -25.30806; 119.11167
MouthIndian Ocean
  location
Shark Bay
  coordinates
24°52′14″S 113°36′57″E / 24.87056°S 113.61583°E / -24.87056; 113.61583
  elevation
0 m (0 ft)
Length865 km (537 mi)
Basin size76,254 km2 (29,442 sq mi)
Discharge 
  locationmouth
Basin features
Tributaries 
  leftLandor River, Thirty One River, Lyons River
  rightThomas River
Natural poolsTibingoona Pool; Bibbingoona Pool; Nungamarra Pool; Mibbley Pool; Mutherbukin Pool; Beelu Pool; Bilyarra Pool; Piddendoora Pool; and Gnardune Pool

The Gascoyne River is a river in the Gascoyne region of Western Australia. At 865 kilometres (537 mi), it is the longest river in Western Australia.