| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Deepdale River | Buller river | 28,000 | -41.7761111111 | 172.1450000000 | Map | ||||||
| Gowan River | Buller river | 11,000 | -41.7166666667 | 172.5666666667 | Map | ||||||
| Hope River (Tasman) |  | Buller river | -41.6905000000 | 172.6180000000 | Map | ||||||
| Howard River | Buller river | 20,000 | -41.7166666667 | 172.6833333333 | Map | ||||||
| Maruia River |  | Buller river | 80,000 | -41.7833333333 | 172.2000000000 | Map |