The Abba 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...

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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...

 in the Millbrook State Forest then flow in a northerly direction. The river crosses the Vasse Highway

Vasse Highway

Vasse Highway is a Western Australian highway connecting Busselton and the South Western Highway 15 km south of Manjimup. It is long and travels through jarrah and karri hardwood forests for most of its length, with some small agricultural areas and wineries nearby, and forms the main street...

 and then through Wonnerup Siding before 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...

 East of 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 finally 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...

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The river was named in 1834 by Frederick Ludlow

Frederick Ludlow

Frederick Ludlow was an early colonial settler in Western Australia. He is credited with the discovery of the Capel River....

. The name is Aboriginal in origin and is a greeting word used by the local peoples.