Great Fish River

Afrikaans  Groot-Vis   river in the Cape Midlands, Eastern province, southern South Africa. The Great Fish River has a length of 430 miles (692 km) and a drainage area of 11,900 square miles (30,800 square km). Its main northern tributary, the Great Brak River, rises in 7,000-foot- (2,100-metre-) high mountains 30 miles (48 km) south of the Orange River and northeast of Middelburg. The Tarka River, coming from the northeast, and the Baviaans