Lakes / Alaska / Kenai Peninsula County / Thetis Lake
Thetis Lake, Alaska
47 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
60.71 degrees N, 151.29 degrees W - Kenai Peninsula 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 Thetis Lake Stacks Up
- Larger than 13% of the 2,450 lakes counted in Alaska.
- About 11 miles from Kenai, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Char-Vic Lake | Kenai Peninsula | 0.6 mi | 25 acres |
| Island Lake | Kenai Peninsula | 0.8 mi | 266 acres |
| Dogbone Lake | Kenai Peninsula | 0.8 mi | 26 acres |
| Parsons Lake | Kenai Peninsula | 1.2 mi | 111 acres |
| Wik Lake | Kenai Peninsula | 1.5 mi | 169 acres |
| Tirmore Lake | Kenai Peninsula | 1.7 mi | 55 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Thetis Lake
How Big Is Thetis Lake?
Thetis Lake covers 47 acres in Kenai Peninsula County, Alaska.
What Is the Largest Lake in Kenai Peninsula County?
Tustumena Lake is the largest lake in Kenai Peninsula County, at 73,354 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 27775174). Verified October 30, 2026.