Lakes / Alaska / Kenai Peninsula County / Flat Lake
Flat Lake, Kenai Peninsula County, Alaska
84 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
60.71 degrees N, 151.09 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 Flat Lake Stacks Up
- Larger than 31% of the 2,450 lakes counted in Alaska.
- About 12 miles from Kenai, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Ootka | Kenai Peninsula | 1.2 mi | 184 acres |
| Plover Lake | Kenai Peninsula | 1.6 mi | 99 acres |
| Tern Lake | Kenai Peninsula | 1.6 mi | 50 acres |
| Killdeer Lake | Kenai Peninsula | 1.8 mi | 71 acres |
| Ermine Lake | Kenai Peninsula | 2.4 mi | 127 acres |
| Shadura Lake | Kenai Peninsula | 2.4 mi | 220 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Flat Lake
How Big Is Flat Lake?
Flat Lake covers 84 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 27772455). Verified October 30, 2026.