| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cohocton River | 1,228,431,232 | Chemung river | 94,000 | 42.1519444400 | -77.0902777800 | Map | |||||
| Tioga River (Chemung River tributary) |  | Chemung river | 93,000 | 42.1519444400 | -77.0902777800 | Map |