Lakes / Colorado / Conejos County / Lost Lake
Lost Lake, Colorado
26 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
37.24 degrees N, 106.43 degrees W - Conejos 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 3% of the 778 lakes counted in Colorado.
- About 136 miles from Aspen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Empedrado Lake | Conejos | 1.4 mi | 36 acres |
| Beaver Lake | Conejos | 4.1 mi | 26 acres |
| La Jara Reservoir | Conejos | 4.5 mi | 721 acres |
| Victoria Lake | Conejos | 7.2 mi | 26 acres |
| Big Lake | Conejos | 8.6 mi | 71 acres |
| Platoro Reservoir | Conejos | 9.9 mi | 423 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lost Lake
How Big Is Lost Lake?
Lost Lake covers 26 acres in Conejos County, Colorado.
What Is the Largest Lake in Conejos County?
La Jara Reservoir is the largest lake in Conejos County, at 721 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 136497318). Verified October 30, 2026.