| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| River Rye, Yorkshire |  | 854,000,000 | River Derwent | 54.1667000000 | -0.7333330000 | Map | |||||
| River Hertford |  | 45,220,000 | River Derwent | 16,000 | 54.1970600000 | -0.4984100000 | Map |