The Vasse 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 South West 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...

.

The headwaters of the river rise in the Whicher Range

Whicher Range

Whicher Range is a range in the South West region of Western Australia The range as an average elevation of above sea level.Bounded by the Swan Coastal Plain to the West and the South, the Darling Scarp to the North and the Blackwood Plateau to the East, the range is located approximately South...

 below Chapman Hill and flows in the northerly direction until discharging into the Vasse Estuary

Vasse-Wonnerup Estuary

The Vasse-Wonnerup Estuary is an estuary in the South West region of Western Australia close to the town of Busselton. The estuary is listed with DIWA. It was also recognised as a wetland of international importance under the Ramsar Convention on 7 June 1990 when an area of 1115 ha was...

 near Busselton

Busselton, Western Australia

-Growth and development:According to the Australian Bureau of Statistics the Shire had a permanent resident population of 25,950 in 2004 with the town of Busselton accounting for 67% or 17,400 of the total. The Shire's permanent population is expected to continue to increase significantly to...

 and then the Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

 via Wonnerup Inlet and Geographe Bay

Geographe Bay

Geographe Bay is located in the South West of Western Australia around 220 km southwest of Perth.The bay was named in May 1801 by French explorer Nicolas Baudin; Baudin named the bay after his ship, Géographe. The bay is a wide curve of coastline extending from Cape Naturaliste past the towns...

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The only 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...

 to the river is the Sabina River

Sabina River

The Sabina River is a river in the South West of Western Australia.The headwaters of the river rise in the Whicher Range near the edge of the Millbrook State Forest and then flowing in the northerly direction...

 which discharges into Vasse Estuary.

The town of Vasse

Vasse, Western Australia

Vasse is a town in the South West region of Western Australia, west of the town of Busselton and southwest of Perth. Its Local Government Area is the Shire of Busselton...

 is situated along the river, both the town and the river are named after French seaman, Thomas Vasse, that disappeared in the area in June 1801 during Nicolas Baudin

Nicolas Baudin

Nicolas-Thomas Baudin was a French explorer, cartographer, naturalist and hydrographer.Baudin was born a commoner in Saint-Martin-de-Ré on the Île de Ré. At the age of fifteen he joined the merchant navy, and at twenty joined the French East India Company...

's expedition.

It is estimated that 81.5% of the Vasse River catchment has been cleared.