Lakes / Alaska / Prince of Wales-Hyder County / Cavern Lake
Cavern Lake, Alaska
26 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
56.16 degrees N, 133.18 degrees W - Prince of Wales-Hyder 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 Cavern Lake Stacks Up
- Larger than 1% of the 2,450 lakes counted in Alaska.
- About 155 miles from Juneau, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Twin Island Lake | Prince of Wales-Hyder | 1.5 mi | 316 acres |
| Exchange Lake | Prince of Wales-Hyder | 2.0 mi | 54 acres |
| Neck Lake | Prince of Wales-Hyder | 4.0 mi | 970 acres |
| Salmon Bay Lake | Prince of Wales-Hyder | 5.5 mi | 989 acres |
| El Capitan Lake | Prince of Wales-Hyder | 7.5 mi | 116 acres |
| Red Lake | Prince of Wales-Hyder | 8.3 mi | 413 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Cavern Lake
How Big Is Cavern Lake?
Cavern Lake covers 26 acres in Prince of Wales-Hyder County, Alaska.
What Is the Largest Lake in Prince of Wales-Hyder County?
Klawock Lake is the largest lake in Prince of Wales-Hyder County, at 2,797 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 85523034). Verified October 30, 2026.