Lakes / Alaska / Yukon-Koyukuk County / Twelvemile Lake
Twelvemile Lake, Yukon-Koyukuk County, Alaska
109 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
65.19 degrees N, 151.80 degrees W - Yukon-Koyukuk 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 Twelvemile Lake Stacks Up
- Larger than 40% of the 2,450 lakes counted in Alaska.
- About 122 miles from Fairbanks, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sixmile Lake | Yukon-Koyukuk | 2.1 mi | 150 acres |
| Donahoe Lake | Yukon-Koyukuk | 2.8 mi | 41 acres |
| Horseshoe Lake | Yukon-Koyukuk | 3.3 mi | 46 acres |
| Sixteenmile Lake | Yukon-Koyukuk | 7.1 mi | 52 acres |
| Long Lake | Yukon-Koyukuk | 7.2 mi | 183 acres |
| Clear Lake | Yukon-Koyukuk | 13 mi | 348 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Twelvemile Lake
How Big Is Twelvemile Lake?
Twelvemile Lake covers 109 acres in Yukon-Koyukuk County, Alaska.
What Is the Largest Lake in Yukon-Koyukuk County?
Lake Minchumina is the largest lake in Yukon-Koyukuk County, at 11,712 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 36358577). Verified October 30, 2026.