| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| River Brenig |  | River Teifi | 52.2200000000 | -3.9340000000 | Map | ||||||
| River Dulas | River Teifi | 52.1083000000 | -4.0742000000 | Map | |||||||
| Afon Cych | River Teifi | 13,000 | 52.0333300000 | -4.5500000000 | Map |