Lakes / Alaska / Matanuska-Susitna County / Lost Lake
Lost Lake, Matanuska-Susitna County, Alaska
153 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
61.33 degrees N, 150.00 degrees W - Matanuska-Susitna 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 Lost Lake Stacks Up
- Larger than 50% of the 2,450 lakes counted in Alaska.
- About 9 miles from Anchorage, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Twin Island Lake | Matanuska-Susitna | 1.4 mi | 152 acres |
| Lake Lorraine | Matanuska-Susitna | 3.2 mi | 121 acres |
| Horseshoe Lake | Matanuska-Susitna | 5.5 mi | 164 acres |
| Middle Lake | Matanuska-Susitna | 6.4 mi | 69 acres |
| Carpenter Lake | Matanuska-Susitna | 7.0 mi | 125 acres |
| Sixmile Lake | Anchorage | 7.3 mi | 126 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lost Lake
How Big Is Lost Lake?
Lost Lake covers 153 acres in Matanuska-Susitna County, Alaska.
What Is the Largest Lake in Matanuska-Susitna County?
Lake Louise is the largest lake in Matanuska-Susitna County, at 14,705 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 120015557). Verified October 30, 2026.