Vaal River

High Quality Content by WIKIPEDIA articles! The Vaal River /ˈfɑːl/ is the largest tributary of the Orange River in South Africa. The river has its source in the Drakensberg mountains in Mpumalanga, east of Johannesburg and about 30 km north of Ermelo and only about 240 km from the Indian Ocean. It then flows westwards to its conjunction with the Orange River southwest of Kimberley in the Northern Cape. It is 1,120 km in length, and forms the border between Mpumalanga, Gauteng and North West Province on its north bank, and the Free State on its south.