Mascoma Lake

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Mascoma Lake
Mascoma Lake, February 2005
Location	Grafton County, New Hampshire
Coordinates	43°37′20″N, 72°8′27″WCoordinates: 43°37′20″N, 72°8′27″W
Primary inflows	Mascoma River; Knox River
Primary outflows	Mascoma River
Basin countries	United States
Max. length	4.2 mi (6.8 km)
Max. width	0.7 mi (1.1 km)
Surface area	1,165 acres (4.71 km²)
Average depth	30 ft (9.1 m)
Max. depth	68 ft (21 m)
Surface elevation	228 meters
Islands	Wood Island; Relham Island; North Island
Settlements	Enfield; Lebanon (village of Mascoma)

Mascoma Lake is a 1,165-acre (4.71 km²)^[1] lake in western New Hampshire, United States. Most of the lake is located within the town of Enfield, while a small portion is within the city of Lebanon, where it drains into the Mascoma River, a tributary of the Connecticut River.

The lake's general trend is from southeast to northwest, with the outlet at the northwestern end. The Mascoma River enters the lake near its halfway point, from the northeastern side, at the town center of Enfield. The southeastern end of the lake is fed by the Knox River. The lake's average depth is 30 feet with a maximum depth of 68 feet.

During winter, the lake can freeze over and be stable enough to be walked upon. NASA and its partners have used the frozen lake to test a robotic rover as a simulation of Antarctica.

Mascoma Lake is home to the Dartmouth College sailing team.