| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hakaru River | Oruawharo River | -36.2108333333 | 174.4827777778 | Map | |||||||
| Topuni River | Oruawharo River | 12,000 | -36.2500000000 | 174.4666666667 | Map | ||||||
| Waireia River | Oruawharo River | 8,000 | -36.3166666667 | 174.4333333333 | Map |