| Groot River | |
|---|---|
&sq=Facebook&lang=en&file=File:South_Africa_relief_location_map.svg)  Location of the Groot River mouth | |
| Etymology | From Grootrivier, meaning "big river" in the Afrikaans language |
| Location | |
| Country | South Africa |
| State | Western Cape |
| Physical characteristics | |
| Source | _ |
| • location | Cederberg Mountains |
| Source confluence | Twee / Lang |
| • coordinates | 32°46′29″S 19°17′35″E / 32.77472°S 19.29306°E |
| • elevation | 735 m (2,411 ft) |
| Mouth | Riet River |
• location | Confluence with the Riet River, Western Cape |
• coordinates | 32°36′48″S 19°27′10″E / 32.61333°S 19.45278°E |
• elevation | 456 m (1,496 ft) |
The Groot River (English: "Large River") is a river in the Western Cape Province, South Africa. It is part of the Olifants/Doring River system. It is not to be confused with the Groot River of Eastern Cape or the Groot River of Southern Cape provinces.