| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| River Trothy |  | River Wye | 51.8012000000 | -2.7035600000 | Map | ||||||
| River Ithon | River Wye | 52.2167000000 | -3.4500000000 | Map | |||||||
| River Lugg |  | 497 | River Wye | 72,000 | 52.0311000000 | -2.6361100000 | Map | ||||
| River Monnow |  | River Wye | 42,000 | 51.8056500000 | -2.7137100000 | Map |