Lakes / Alaska / Kenai Peninsula County / Union Lake
Union Lake, Alaska
83 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
60.52 degrees N, 151.03 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 Union Lake Stacks Up
- Larger than 30% of the 2,450 lakes counted in Alaska.
- About 8 miles from Kenai, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sports Lake | Kenai Peninsula | 0.9 mi | 69 acres |
| Mackeys Lakes | Kenai Peninsula | 1.4 mi | 99 acres |
| Derks Lake | Kenai Peninsula | 2.2 mi | 36 acres |
| Sevena Lake | Kenai Peninsula | 2.9 mi | 74 acres |
| Cisca Lake | Kenai Peninsula | 4.1 mi | 73 acres |
| Whisper Lake | Kenai Peninsula | 4.2 mi | 75 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Union Lake
How Big Is Union Lake?
Union Lake covers 83 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 27774446). Verified October 30, 2026.