| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gamka River | Gourits River | -33.6819000000 | 21.7161000000 | Map | |||||||
| Groot River (Southern Cape) |  | Gourits River | -33.8883000000 | 21.6561000000 | Map | ||||||
| Olifants River (Southern Cape) | Gourits River | 215,000 | -33.6819000000 | 21.7161000000 | Map |