Pentecost River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Kimberley region of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

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The river rises below the Durack Range and flows North through El Questro Station

El Questro Wilderness Park

El Questro Wilderness Park is a privately owned Wilderness park that was previously a cattle station located in the Kimberley region of Western Australia.The park is located West of Kununurra and can be accessed by the Gibb River Road....

 where it meets with the Chamberlain River, then continues north crossing the Gibb River Road

Gibb River Road

The Gibb River Road is a former cattle route that stretches almost through The Kimberley between the Western Australian town of Derby and the Kununurra and Wyndham junction of the Great Northern Highway. Like its namesake, which does not actually cross the road but runs nearby at , it is named...

, skirts the eastern edge of Drysdale River National Park

Drysdale River National Park

Drysdale River National Park is a national park in the Kimberley region of Western Australia , northeast of Perth.The park lies about south of Kalumburu and west of Wyndham....

 and later discharges into West Arm and eventually into Cambridge Gulf

Cambridge Gulf

Cambridge Gulf is a gulf on the north coast of Western Australia.Many rivers flow into the gulf including the Ord River, Pentecost River, Durack River, King River and the Forrest River.The gulf experiences two large tidal flows each day between to...

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The river has seven tributaries

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 including; Chamberlain River

Chamberlain River

The Chamberlain River is a river in the Kimberley of Western Australia.The headwaters of the river rise in the Durack range near Yulumbu then flow in a northerly direction along the range until the river merges with the Pentecost River near El Questro Station....

, Salmond River, Gap Creek, Five Mile Creek and Durack River

Durack River

Durack River is a river in the Kimberley region of Western Australia.The river rises below the Durack Range then flows north discharging into the west arm of Cambridge Gulf...

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The river is named after John Pentecost, who surveyed the river in 1882 while on an expedition led by Michael Durack

Michael Durack

Michael Patrick Durack, was a pastoralist, and Western Australian pioneer. He was the son of Patrick Durack and Mary Costello, both Irish-Australians....

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The river was included in the Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 theme as one of its wallpapers in Windows 7.