Diep River (Afrikaans Dieprivier), drains the area between the Kasteel Mountain (north of Malmesbury) and the northern slopes of the Durbanville Hills, in the Western Cape, a province of South Africa.

Diep River
Course of the Diep River seen weaving through wheat fields of the Swartland
The rivers of the Cape region with the Diep (left)
EtymologyAfrikaans for deep
Location
CountrySouth Africa
RegionWestern Cape Province

33°22′00″S 18°51′00″E / 33.3667°S 18.8500°E / -33.3667; 18.8500