Gascoyne River 3.04

The Gascoyne River is a river in the Gascoyne region of Western Australia. At 865km, it is the longest river in Western Australia.DescriptionThe Gascoyne River comprises three branches in its upper reaches. Draining the Collier Range, the river rises as the Gascoyne River (North Branch) on Three Rivers Station near the Great Northern Highway, 100km northeast of Peak Hill and flows for approximately. The Gascoyne River (Middle Branch) rises west of Beyondie Lakes, east of and east of the Great Northern Highway and flows for approximately. The Gascoyne River (South Branch) rises near the Doolgunna homestead and flows for approximately. The Gascoyne flows generally west by southwest and is joined by 36 tributaries including the Lyons River, Landor River, Thomas River, and numerous other creeks and gullies. The two main rivers, the Gascoyne and Lyons together provide a catchment area of that lies entirely to the east of the Kennedy Ranges and extends some 480km inland. The river reaches its mouth as it flows into Shark Bay and the Indian Ocean at. The river descends over its 865km course.