| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hikuwai River | Uawa River | 5,000 | -38.3036222222 | 178.2569194444 | Map | ||||||
| Mangaheia River | Uawa River | 21,000 | -38.3500000000 | 178.2833333333 | Map | ||||||
| Mangatokerau River | Uawa River | 14,000 | -38.3017583333 | 178.2575361111 | Map |