| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bankasoka River | Sierra Leone River | ||||||||||
| Jong River | Atlantic Ocean | 249,000 | 7.5543000000 | -12.3604000000 | Map | ||||||
| Kolenté River | Atlantic Ocean | 257,000 | 9.2666666700 | -12.9000000000 | Map | ||||||
| Little Scarcies River | 12,899,999,744 | Atlantic Ocean | 280,000 | 8.9000000000 | -13.1833333333 | Map | |||||
| Mano River |  | 8,249,999,872 | Atlantic Ocean | 320,000 | 6.9208330000 | -11.5058330000 | Map |