Lakes / Alaska / Juneau County / Upper Sweetheart Lake
Upper Sweetheart Lake, Alaska
281 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
57.99 degrees N, 133.49 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 Upper Sweetheart Lake Stacks Up
- Larger than 66% of the 2,450 lakes counted in Alaska.
- About 40 miles from Juneau, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lower Sweetheart Lake | Juneau | 3.6 mi | 1,236 acres |
| Icefall Lake | Hoonah-Angoon | 7.3 mi | 292 acres |
| Tease Lake | Juneau | 9.9 mi | 93 acres |
| Indian Lake | Juneau | 14 mi | 530 acres |
| Crater Lake | Juneau | 15 mi | 497 acres |
| Crescent Lake | Juneau | 15 mi | 754 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Sweetheart Lake
How Big Is Upper Sweetheart Lake?
Upper Sweetheart Lake covers 281 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
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Iliamna Lake | Lake and Peninsula | 654,518 acres | - |
| 2 | Becharof Lake | Lake and Peninsula | 289,706 acres | - |
| 3 | Teshekpuk Lake | North Slope | 206,614 acres | - |
| 4 | Naknek Lake | Lake and Peninsula | 145,357 acres | - |
| 5 | Dall Lake | Bethel | 111,681 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 74689185). Verified October 30, 2026.