The Western Plateau is Australia's largest drainage division and is composed predominantly of the remains of the ancient rock shield of
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. It covers two thirds of the continent; of arid land, including large parts of
Western Australia Western Australia (abbreviated as WA) is a state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * The State (newspaper), ''The State'' (newspape ...

Western Australia
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South Australia
, and the
Northern Territory The Northern Territory (NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, ...
. For comparison, it is roughly the same size as the whole of continental
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Poland Poland, officially the Republic of Poland, is a country located in Central Europe. It is divided into 16 Voivodeships of Poland, administrative provinces, covering an area of , and has a largely Temperate climate, temperate seasonal cli ...

west to
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. Rain rarely falls in this region and aside from a handful of permanent waterholes, surface water is absent at all times except after heavy rain. Most of the territory is flat sandy or stony desert with a sparse covering of shrubs or tussock grasses. Average rainfall varies from one area to another and is quoted at to per year, but is highly unpredictable.

See also

Great Victoria Desert The Great Victoria Desert is a sparsely populated desert ecoregion and Interim Biogeographic Regionalisation for Australia, interim Australian bioregion in Western Australia and South Australia. Location and description The Great Victoria is ...
Pilbara Craton upright=1.3, Map of Australia with the Pilbara Region highlighted in red. The Pilbara Craton is an old and stable part of the continental lithosphere located in Pilbara, Western Australia Western Australia (abbreviated as WA) is a States and ...
* Yilgarn Craton


Drainage basins of Australia Plateaus of Australia Regions of Australia {{Australia-geo-stub