| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Baker Branch Saint John River |  | Southwest Branch Saint John River | 77,200 | 46.4744000000 | -69.9030000000 | Map | |||||
| Little Southwest Branch Saint John River | 495 | Southwest Branch Saint John River | 46,500 | 46.4093000000 | -70.0763000000 | Map |