Lakes / Colorado / Rio Blanco County / Sheriff Reservoir
Sheriff Reservoir, Colorado
36 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
40.15 degrees N, 107.14 degrees W - Rio Blanco 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 Sheriff Reservoir Stacks Up
- Larger than 24% of the 778 lakes counted in Colorado.
- About 68 miles from Aspen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Crosho Lake | Rio Blanco | 4.6 mi | 53 acres |
| Allen Basin Reservoir | Rio Blanco | 4.9 mi | 83 acres |
| Heart Lake | Rio Blanco | 5.5 mi | 28 acres |
| Vaughan Lake | Rio Blanco | 6.6 mi | 33 acres |
| Upper Stillwater Reservoir | Garfield | 7.7 mi | 56 acres |
| Yamcolo Reservoir | Garfield | 7.8 mi | 184 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Sheriff Reservoir
How Big Is Sheriff Reservoir?
Sheriff Reservoir covers 36 acres in Rio Blanco County, Colorado.
What Is the Largest Lake in Rio Blanco County?
Big Beaver Reservoir is the largest lake in Rio Blanco County, at 205 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 90184693). Verified October 30, 2026.