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Lakes / Alaska / Juneau County / Lower Sweetheart Lake

Lower Sweetheart Lake, Alaska

1,236 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Alaska

AnchorageFairbanksLower Sweetheart LakeJuneau Co.

57.97 degrees N, 133.58 degrees W - Juneau 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 Lower Sweetheart Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Upper Sweetheart LakeJuneau3.6 mi281 acres
Icefall LakeHoonah-Angoon7.0 mi292 acres
Tease LakeJuneau9.6 mi93 acres
Crater LakeJuneau14 mi497 acres
Indian LakeJuneau15 mi530 acres
Long LakeJuneau16 mi1,464 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID74689187
CountyJuneau
Lake TypeLake
Coordinates57.9737, -133.5812

Questions About Lower Sweetheart Lake

How Big Is Lower Sweetheart Lake?

Lower Sweetheart Lake covers 1,236 acres in Juneau County, Alaska.

What Is the Largest Lake in Juneau County?

Twin Glacier Lake is the largest lake in Juneau County, at 3,174 acres.

Largest Lakes in Alaska

#LakeCountySurface AreaMax Depth
1Iliamna LakeLake and Peninsula654,518 acres-
2Becharof LakeLake and Peninsula289,706 acres-
3Teshekpuk LakeNorth Slope206,614 acres-
4Naknek LakeLake and Peninsula145,357 acres-
5Dall LakeBethel111,681 acres-

All 2,450 Alaska lakes ranked by surface area

Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 74689187). Verified October 30, 2026.