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Lakes / Connecticut / Litchfield County / Lake Lillinonah

Lake Lillinonah, Connecticut

1,531.02 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Connecticut

HartfordNew HavenLake LillinonahLitchfield Co.

41.48 degrees N, 73.34 degrees W - Litchfield 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 Lake Lillinonah Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Taunton PondFairfield5.1 mi126.69 acres
Lake CandlewoodFairfield5.9 mi5,127.26 acres
Hesseky Meadow PondLitchfield6.7 mi34.1 acres
Reservoir Number 4Litchfield6.8 mi25.11 acres
Margerie Lake ReservoirFairfield7.5 mi260.61 acres
Squantz PondFairfield7.6 mi271.15 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID122986239
Coordinates41.4847, -73.3418

Questions About Lake Lillinonah

How Big Is Lake Lillinonah?

Lake Lillinonah covers 1,531.02 acres in Litchfield County, Connecticut.

What Is the Largest Lake in Litchfield County?

Barkhamsted Reservoir is the largest lake in Litchfield County, at 2,231.71 acres.

Largest Lakes in Connecticut

#LakeCountySurface AreaMax Depth
1Lake CandlewoodFairfield5,127.26 acres-
2Barkhamsted ReservoirLitchfield2,231.71 acres-
3Lake LillinonahLitchfield1,531.02 acres-
4Lake GaillardNew Haven1,090.97 acres-
5Bantam LakeLitchfield953.89 acres-

All 363 Connecticut lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 122986239). Verified October 30, 2026.