Lake Monomonac

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Lake Monomonac
South end of Lake Monomonac, Winchendon MA.jpg
South end of Lake Monomonac
LocationCheshire County, New Hampshire;
Worcester County, Massachusetts
Coordinates42°43′3″N 71°59′43″W / 42.71750°N 71.99528°W / 42.71750; -71.99528Coordinates: 42°43′3″N 71°59′43″W / 42.71750°N 71.99528°W / 42.71750; -71.99528
Primary inflowsNorth Branch Millers River
Primary outflowsNorth Branch Millers River
Basin countriesUnited States
Max. length2.7 mi (4.3 km)
Max. width0.7 mi (1.1 km)
Surface area594 acres (2.4 km2)
Average depth10 ft (3.0 m)
Max. depth22 ft (6.7 m)
Surface elevation1,045 feet (318.5 m)
IslandsBlueberry Island; Paradise Island
SettlementsRindge, NH;
Winchendon, MA

Lake Monomonac is an artificial lake that straddles the border between Rindge, New Hampshire, and Winchendon, Massachusetts, in the United States. It was created from a small pond in New Hampshire by the construction of dams on the North Branch of the Millers River, a part of the Connecticut River watershed.

Lake Monomonac is 594 acres (240 ha) in size,[1] with 411 acres (166 ha) in New Hampshire and the remaining 183 acres (74 ha) in Massachusetts. The lake has a maximum recorded depth of 22 feet (6.7 m) and an average depth of 10 feet (3.0 m).[1]

The lake is classified as a warmwater fishery, with observed species including smallmouth and largemouth bass, black crappie, chain pickerel, white perch, pumpkinseed, bluegill, horned pout, and green sunfish.[1]

See also[edit]


  1. ^ a b c "Lake Monomonac, Rindge" (PDF). NH Fish & Game. Retrieved September 3, 2014.