| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| North Gregory River | Gregory River | 19,400 | -19.6812180000 | 144.4431120000 | Map | ||||||
| South Gregory River | Gregory River | 45,600 | -19.6812180000 | 144.4431120000 | Map | ||||||
| O’Shannassy River (Gregory River) | Gregory River | 168,000 | -19.0145830000 | 138.7579540000 | Map |