The West Branch Mattawamkeag River is a 52.6-mile-long (84.7 km) tributary of the Mattawamkeag River in Maine. From its source (46°08′07″N 68°30′09″W / 46.1354°N 68.5025°W / 46.1354; -68.5025 (West Branch Mattawamkeag River source)) in Maine Township 6, Range 6, WELS, the river runs 10 miles (16 km) northeast by Pleasant Lake and through Mud Lake and Rockabema Lake, then 42 miles (68 km) south and southeast through Upper Mattawamkeag Lake and Mattawamkeag Lake to its confluence with the East Branch Mattawamkeag River in Haynesville, about 10 miles (16 km) west of the Canada–United States border.

Mattawamkeag Lake

Mattawamkeag Lake
Mattawamkeag Lake
Location	Aroostook County, Maine
Coordinates	45°59′N 68°10′W / 45.983°N 68.167°W / 45.983; -68.167
Primary inflows	Upper Mattawamkeag Lake
Basin countries	United States
Max. length	3.5 mi (5.6 km)
Max. width	2 mi (3.2 km)
Surface area	3,323 acres (1,345 ha)
Max. depth	47 feet (14 m)
Water volume	7,662 acre⋅ft (9,451,000 m)
Surface elevation	430 ft (130 m)

Mattawamkeag Lake is 4 miles (6.4 km) east (downstream) of Island Falls. There is a good boat launching area on Upper Mattawamkeag Lake on the east side of U.S. Route 2 about 2 kilometres (1.2 mi) north of Island Falls. Upper Mattawamkeag Lake is at the same level as Mattawamkeag Lake, and boats can easily navigate the short thoroughfare from the south end of Upper Mattawamkeag Lake to the north end of Mattawamkeag Lake. For decades there was a dam at the south end of Mattawamkeag Lake controlling overflow to the West Branch Mattawamkeag River. Water level dropped several feet when the dam was abandoned; and the lake shoreline is rocky where wave action eroded shallow soil. The two lakes provide good habitat for chain pickerel, smallmouth bass and white perch.

See also

• List of rivers of Maine