Lakes / Alaska / Petersburg County / Petersburg Lake
Petersburg Lake, Alaska
180 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
56.87 degrees N, 133.18 degrees W - Petersburg 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 Petersburg Lake Stacks Up
- Larger than 54% of the 2,450 lakes counted in Alaska.
- About 109 miles from Juneau, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Colp Lake | Petersburg | 6.0 mi | 27 acres |
| Towers Lake | Petersburg | 11 mi | 126 acres |
| Ess Lake | Petersburg | 17 mi | 25 acres |
| Spurt Point Lake | Petersburg | 17 mi | 282 acres |
| De Boer Lake | Petersburg | 18 mi | 128 acres |
| Ruth Lake | Petersburg | 19 mi | 51 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Petersburg Lake
How Big Is Petersburg Lake?
Petersburg Lake covers 180 acres in Petersburg County, Alaska.
What Is the Largest Lake in Petersburg County?
Farragut Lake is the largest lake in Petersburg County, at 1,231 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 121992301). Verified October 30, 2026.