| Little Southwest Branch Saint John River | |
|---|---|
 | |
| Location | |
| Country | United States |
| State | Maine |
| County | Somerset County, Maine |
| Physical characteristics | |
| Source | |
| • location | Mountain brook, Somerset County, Maine, Maine |
| • coordinates | 46°07′34″N 70°11′37″W / 46.12611°N 70.19361°W |
| • elevation | 495 m (1,624 ft) |
| Mouth | |
• location | Southwest Branch Saint John River |
• coordinates | 46°07′34″N 70°11′37″W / 46.12611°N 70.19361°W |
• elevation | 363 m (1,191 ft) |
| Length | 46.5 km (28.9 mi) |
| Basin features | |
| Tributaries | |
| • left | Black brook |
The Little Southwest Branch Saint John River is a tributary of Southwest Branch Saint John River, flowing on 46.5 kilometres (28.9 mi)[1] in Somerset County, in North Maine Woods, in Maine, in United States.
From its source (46°07′34″N 70°11′39″W / 46.1260°N 70.1941°W) in Maine Township 6, Range 19, WELS, it flows northward in a deep valley in forest area, a few miles east of the Canada–United States border to its mouth on South bank of the Southwest Branch Saint John River in T 9, R 18.
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed June 22, 2011