| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| North Branch Penobscot River | West Branch Penobscot River | 45,000 | 45.9025000000 | -69.9610000000 | Map | ||||||
| South Branch Penobscot River | West Branch Penobscot River | 63,000 | 45.8980000000 | -69.9660000000 | Map |