LakeCount. Every Lake. Measured.

Lakes / New Hampshire / Grafton County / Mascoma Lake

Mascoma Lake, New Hampshire

1,155.22 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - New Hampshire

ConcordPortsmouthMascoma LakeGrafton Co.

43.63 degrees N, 72.15 degrees W - Grafton 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 Mascoma Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Smith PondGrafton2.8 mi62.76 acres
Crystal LakeGrafton3.5 mi400.8 acres
George PondGrafton4.3 mi49.17 acres
Butternut PondSullivan5.1 mi43.74 acres
Goose PondGrafton5.9 mi624.44 acres
Spectacle PondGrafton5.9 mi95.14 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID120802878
CountyGrafton
Coordinates43.6276, -72.1474

Questions About Mascoma Lake

How Big Is Mascoma Lake?

Mascoma Lake covers 1,155.22 acres in Grafton County, New Hampshire.

What Is the Largest Lake in Grafton County?

Newfound Lake is the largest lake in Grafton County, at 4,451.11 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 120802878). Verified October 30, 2026.