South Dandalup River is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

in the

South West The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each se ...

region of

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. The river rises at White Horse Hills North of Boddington and flows in westerly direction. The river is in the

Shire of Murray The Shire of Murray is a local government area of Western Australia. It has an area of and is located in the Peel Region about south of the Perth central business district. The Shire extends across the Peel Inlet and the Swan Coastal Plain ...

; it flows through

Lake Banksiadale Lake Banksiadale is a man-made reservoir located in the Peel region of Western Australia. It is located about north-east of Dwellingup in the locality of Banksiadale, Shire of Murray. Since 1971 it has been the site of the South Dandalup Dam, ...

near Dwellingup, crosses the

South Western Highway South Western Highway is a highway in the South West region of Western Australia connecting Perth's southeast with Walpole. It is a part of the Highway 1 network for most of its length. It is about long. Route description Perth to Bunbury ...

north of Pinjarra to its confluence with the North Dandalup River east of Ravenswood. The two

tributaries A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage b ...

of the South Dandalup River are Conjurunup Creek and Boomer Brook. At

the river is

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...

med by

South Dandalup Dam South Dandalup Dam is a dam in Western Australia. It is located where the South Dandalup River flows out of Lake Banksiadale. The dam was built in 1971 in response to rapid population growth in Perth, Western Australia's capital city, and a res ...

, the largest dam providing water to

Perth Perth is the capital and largest city of the Australian state of Western Australia. It is the fourth most populous city in Australia and Oceania, with a population of 2.1 million (80% of the state) living in Greater Perth in 2020. Perth is ...

, Western Australia's capital city.

References

South Dandalup River
in the

Gazetteer of Australia The Gazetteer of Australia is an index or dictionary of the location and spelling of geographical names across Australia. Geographic names include towns, suburbs and roads, plus geographical features such as hills, rivers, and lakes. The index is ...

* Rivers of the South West region {{WesternAustralia-river-stub