| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Namoi River |  | 43,000,000,512 | 708 | Barwon River | 708,000 | -30.0000000000 | 148.1166666667 | Map | |||
| Weir River (Queensland) | Barwon River | 470,000 | -28.8322222200 | 149.1011111100 | Map | ||||||
| Bokhara River | Barwon River | 347,000 | -29.9166666667 | 146.7000000000 | Map | ||||||
| Gwydir River |  | 26,588,000,256 | Rocky River | Barwon River | 488,000 | -30.0000000000 | 151.0000000000 | Map | |||
| Little Weir River | Barwon River | Barwon River | 78,000 | -29.0666666700 | 148.8275000000 | Map |