Lakes / Colorado / Gunnison County / Lost Lake Slough
Lost Lake Slough, Colorado
43 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
38.87 degrees N, 107.21 degrees W - Gunnison 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 Slough Stacks Up
- Larger than 35% of the 778 lakes counted in Colorado.
- About 31 miles from Aspen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Irwin | Gunnison | 5.6 mi | 46 acres |
| Paonia Reservoir | Gunnison | 9.6 mi | 335 acres |
| Peanut Lake | Gunnison | 11 mi | 34 acres |
| Meridian Lake | Gunnison | 11 mi | 30 acres |
| Beaver Reservoir | Gunnison | 13 mi | 37 acres |
| Beaver Lake | Gunnison | 14 mi | 25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lost Lake Slough
How Big Is Lost Lake Slough?
Lost Lake Slough covers 43 acres in Gunnison County, Colorado.
What Is the Largest Lake in Gunnison County?
Blue Mesa Reservoir is the largest lake in Gunnison County, at 8,944 acres.
Largest Lakes in Colorado
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | John Martin Reservoir | Bent | 11,686 acres | - |
| 2 | Blue Mesa Reservoir | Gunnison | 8,944 acres | - |
| 3 | Lake Granby | Grand | 7,075 acres | - |
| 4 | Lake Meredith | Crowley | 5,539 acres | - |
| 5 | Adobe Creek Reservoir | Bent | 4,770 acres | - |
All 778 Colorado 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 68569954). Verified October 30, 2026.