| East Branch Mattawamkeag River | |
|---|---|
  | |
| Location | |
| Country | United States |
| Physical characteristics | |
| Source | |
| • location | Maine |
| • elevation | 710 feet (220 m) |
| Mouth | |
• location | Mattawamkeag River |
• coordinates | 45°50′02″N 67°59′27″W / 45.8338°N 67.9908°W |
• elevation | 365 feet (111 m) |
| Length | 36 miles (58 km) |
| Basin features | |
| Progression | Mattawamkeag River – Penobscot River |
The East Branch Mattawamkeag River is a tributary of the Mattawamkeag River in Aroostook County, Maine. From its source (46°13′51″N 68°08′53″W / 46.2307°N 68.1480°W) in Dudley (Maine Township 7, Range 3, WELS), the river runs 36 miles (58 km)[1] south and southeast to its confluence with the West Branch Mattawamkeag River in Haynesville, about 10 miles (16 km) west of the Canada–United States border.
- ^ 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