The Lyons 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 Gascoyne

Gascoyne

Gascoyne is the name of a number of places, including:* Gascoyne , a region which contains** the town of Gascoyne Junction, Western Australia** the Gascoyne River** the Shire of Upper Gascoyne* Gascoyne, North Dakota, a town...

 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 headwaters of the Lyons rise just west of the Teano Range and flows South West until it merges with the Gascoyne River

Gascoyne River

At 760 km, the Gascoyne River is the longest river in Western Australia.The river rises below Wilgoona Hill in the Robinson Ranges west of the Gibson Desert and it flows into Shark Bay and the Indian Ocean at Carnarvon....

 of which it is a tributary

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...

. The two rivers meet near the township of Gascoyne Junction

Gascoyne Junction, Western Australia

Gascoyne Junction is a small town in the Gascoyne region of Western Australia, inland from Carnarvon on the junction of the Gascoyne River and Lyons River. At the 2006 census, Gascoyne Junction had a population of 149.-History:...

 near the southern end of the Kennedy Range

Kennedy Range National Park

Kennedy Range National Park is a national park in Gascoyne region of Western Australia , approximately north of Perth and about east of Carnarvon....

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The first European to discover the river was explorer Francis Gregory

Francis Thomas Gregory

Francis Thomas Gregory was an English-born Australian explorer and politician.-Biography:Gregory was born at Farnsfield, Nottinghamshire, England, and was the younger brother of the explorer Augustus Gregory...

 in 1858, he named the river after the naval hero Admiral Sir Edmund Lyons

Edmund Lyons, 1st Baron Lyons

Admiral Edmund Lyons, 1st Baron Lyons, GCB, KCH was a British naval commander and diplomat who led a distinguished career in the Royal Navy, culminating with the Crimean War and his appointment as Commander of the Black Sea Fleet...

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The Lyons has 36 tributaries including; Edmund River

Edmund River

The Edmund River is a river in the Gascoyne region of Western Australia.The headwaters of the Edmund rise north of the Barlee Range and flows South West until it merges with the Lyons River of which it is a tributary. The Lyons continues until it flows into the Gascoyne River.The first European to...

, Frederick River

Frederick River

The Frederick River is a river in the Pilbara of Western Australia.The headwaters of the river rise in the Kenneth Range then flow in a south westerly direction until it merges with the Lyons River near Cobra Station homestead....

, Onslow Creek, Gifford Creek, Koorabooka Creek and Ulura Creek.

Several permanent pools of water exist along the river including Cattle Pool, Windarrie Pool and Bubbawonnara Pool.

The Lyons river is known as Mithering by the local Indigenous Australians

Indigenous Australians

Indigenous Australians are the original inhabitants of the Australian continent and nearby islands. The Aboriginal Indigenous Australians migrated from the Indian continent around 75,000 to 100,000 years ago....

the Malgaru people.