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Lakes / New Hampshire / Carroll County / Duncan Lake

Duncan Lake, New Hampshire

82.78 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - New Hampshire

ConcordPortsmouthDuncan LakeCarroll Co.

43.71 degrees N, 71.11 degrees W - Carroll 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 Duncan Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
White PondCarroll1.6 mi46.46 acres
Garland PondCarroll4.0 mi34.84 acres
Little Dan Hole PondCarroll5.6 mi81.54 acres
Lower Beech PondCarroll5.6 mi159.63 acres
Province LakeCarroll5.7 mi968.16 acres
Dan Hole PondCarroll5.8 mi443.31 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID129970405
CountyCarroll
Coordinates43.7060, -71.1069

Questions About Duncan Lake

How Big Is Duncan Lake?

Duncan Lake covers 82.78 acres in Carroll County, New Hampshire.

What Is the Largest Lake in Carroll County?

Ossipee Lake is the largest lake in Carroll County, at 4,024.11 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 129970405). Verified October 30, 2026.