| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| East Branch Piscataquis River | Piscataquis River | 23,000 | 45.2840000000 | -69.5919000000 | Map | ||||||
| Pleasant River (Piscataquis River tributary) | Piscataquis River | 24,000 | 45.2423000000 | -68.9099000000 | Map | ||||||
| Sebec River | Piscataquis River | 16,000 | 45.2337000000 | -68.9630000000 | Map | ||||||
| West Branch Piscataquis River | Piscataquis River | 30,000 | 45.2827000000 | -69.5925000000 | Map |