Mattawamkeag River
CountryUnited States
Physical characteristics
 • locationMaine
 • elevation365 feet (111 m)
 • location
Penobscot River
 • coordinates
45°31′08″N 68°21′40″W / 45.519°N 68.361°W / 45.519; -68.361
 • elevation
190 feet (58 m)
Length51 miles (82 km)
Basin features
 • leftEast Branch Mattawamkeag River
 • rightWest Branch Mattawamkeag River, Molunkus Stream
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The Mattawamkeag River is a river in Maine. From the confluence of its East Branch and West Branch (45°50′00″N 67°59′27″W / 45.8334°N 67.9907°W / 45.8334; -67.9907 (Mattawamkeag River source)) in Haynesville, about 10 miles (16 km) west of the Canada–United States border, the river runs 50.6 miles (81.4 km)[1] south and west to its mouth on the Penobscot River in Mattawamkeag.

See also


  1. ^ 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