| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ausa (river) |  | 1 | Monte Titano | Adriatic Sea | 17,200 | 44.0635000000 | 12.5475000000 | Map | |||
| Cando (river) | 529 | Monte San Cristoforo | Marano | ||||||||
| Fiumicello (river) | Marano | ||||||||||
| Marano (river) | 1 | 581 | Adriatic Sea | 29,600 | 43.9209730000 | 12.4956610000 | Map | ||||
| San Marino (river) | Marecchia | 8,700 | 43.8788000000 | 12.4292000000 | Map |