| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Eastern Waiotauru River | Waiotauru River | 7,000 | -40.9244444444 | 175.2172222222 | Map | ||||||
| Southern Waiotauru River | Waiotauru River | 7,000 | -40.9186480000 | 175.2072670000 | Map | ||||||
| Ōtaki River |  | Waiotauru River | 45,000 | -40.7500000000 | 175.1000000000 | Map |