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Lakes / New Hampshire / Rockingham County / Massabesic Lake

Massabesic Lake, New Hampshire

2,560.51 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - New Hampshire

ConcordPortsmouthMassabesic LakeRockingham Co.

42.99 degrees N, 71.37 degrees W - Rockingham County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.

How Massabesic Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Little Massabesic LakeRockingham2.5 mi54.12 acres
Calef PondRockingham2.7 mi30.39 acres
Clark PondRockingham2.7 mi37.31 acres
Tower Hill PondRockingham3.6 mi186.32 acres
Pine Island PondHillsborough5.2 mi54.12 acres
Dubes PondMerrimack5.9 mi93.9 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID135909629
Coordinates42.9876, -71.3724

Questions About Massabesic Lake

How Big Is Massabesic Lake?

Massabesic Lake covers 2,560.51 acres in Rockingham County, New Hampshire.

What Is the Largest Lake in Rockingham County?

Massabesic Lake is the largest lake in Rockingham County, at 2,560.51 acres.

Largest Lakes in New Hampshire

#LakeCountySurface AreaMax Depth
1Lake WinnipesaukeeBelknap45,654.45 acres-
2Umbagog LakeCoos7,642.5 acres-
3Squam LakeBelknap6,791.2 acres-
4Newfound LakeGrafton4,451.11 acres-
5Lake WinnisquamBelknap4,213.89 acres-

All 516 New Hampshire lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 135909629). Verified October 30, 2026.