| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rai River |  | Pelorus River | 15,000 | -41.3000000000 | 173.5666666667 | Map | |||||
| Rainy River (Marlborough) | Pelorus River | 5,000 | -41.3275000000 | 173.5127777800 | Map | ||||||
| Tinline River | Pelorus River | 12,000 | -41.3166666667 | 173.5000000000 | Map | ||||||
| Wakamarina River |  | Pelorus River | 24,000 | -41.2833333333 | 173.6666666667 | Map |