Eerste River, located in the Western Cape

Western Cape

The Western Cape is a province in the south west of South Africa. The capital is Cape Town. Prior to 1994, the region that now forms the Western Cape was part of the much larger Cape Province...

, South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

, rises on Dwarsberg 60 km east of Cape Town at the head of Jonkershoek. The Eerste River catchment covers the eastern part of the Cape Flats

Cape Flats

The Cape Flats is an expansive, low-lying, flat area situated to the southeast of the central business district of Cape Town. To many people in Cape Town, the area is known simply as 'The Flats'....

 lying to the west of the Hottentots Holland Mountains and south of the Tygerberg

Tygerberg

Tygerberg is one of the northern suburbs of Cape Town in South Africa. It is also the name the range of hills above the town....

 where the Kuils River

Kuils River

Kuils River is a town in the Western Cape province, South Africa. It is a level 2 administrative region, and is close to Cape Town's wine routes. It is located near the intersection of the M12 and the R102....

 tributary rises east of Kanonkop. The Eerste River is a short river; its length has been given as 40 km. The major tributary, the Kuils River, is approximately 30 km long to its point of confluence with the Eerste.

A population of the endangered local endemic Berg River Redfin

Berg River Redfin

The Berg River Redfin or Berg Redfin is a ray-finned fish species in the family Cyprinidae. The Burchell's Redfin , the type species of its genus Pseudobarbus, is a very close relative...

 (Pseudobarbus burgi) was found in the Eerste. It has become extinct in recent times.