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The Gascoyne River is a river in the Gascoyne region of Western Australia. At , it is the longest river in Western Australia.〔 ==Route== The 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, 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 inland. The river reaches its mouth as it flows into Shark Bay and the Indian Ocean at .〔 The river descends over its course.〔 It is said to be an ''upside-down river'', as it flows for about 120 days of the year and below the dry river bed for the remainder of the year. It is in effect a huge water storage system with the river's aquifers lying below the desert sands. It flows through sparsely vegetated countryside which is used mainly for gold-mining and sheep stations. The river flows through many permanent pools that are valuable to both stock and native species. Some of the main pools located along the river include Tibbingoona Pool, Mutherbokin Pool and Mibbley Pool.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gascoyne River」の詳細全文を読む スポンサード リンク
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