The Black River (Swartrivier) is a river in Cape Town, South Africa. It is a tributary of the Salt River together with the Liesbeeck River and the Elsieskraal River.^[1] It rises in Arderne Gardens and flows underground initially beneath Main Road and the railway line, before continuing as a canal through Claremont and Rondebosch, then uncanalised through Mowbray, Observatory and Maitland after which it joins the Salt River. Its catchment is part of the Central Management Area of the City of Cape Town and the city has canalised 58% of the river.^[1]

Black River Swartrivier
An aerial view of the Black River with the M5 highway running alongside it.
Etymology	From swart, the word for "black" in the Afrikaans language
Location
Country	South Africa
Province	Western Cape Province
Physical characteristics
Source
• location	Cape Flats, City of Cape Town, Western Cape, South Africa