| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lottery River | Mason River | 22,000 | -42.6166666667 | 173.1000000000 | Map | ||||||
| Wandle River | Mason River | 14,000 | -42.6000000000 | 173.1000000000 | Map |