Lakes / Colorado / Routt County / Grimes Brooks Reservoir
Grimes Brooks Reservoir, Colorado
43 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
39.99 degrees N, 106.82 degrees W - Routt 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 Grimes Brooks Reservoir Stacks Up
- Larger than 36% of the 778 lakes counted in Colorado.
- About 55 miles from Aspen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sterner Reservoir | Routt | 6.9 mi | 26 acres |
| Gardner Park Reservoir | Routt | 11 mi | 50 acres |
| Yamcolo Reservoir | Garfield | 13 mi | 184 acres |
| Upper Stillwater Reservoir | Garfield | 14 mi | 56 acres |
| Heart Lake | Rio Blanco | 14 mi | 28 acres |
| Keener Lake | Garfield | 16 mi | 29 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Grimes Brooks Reservoir
How Big Is Grimes Brooks Reservoir?
Grimes Brooks Reservoir covers 43 acres in Routt County, Colorado.
What Is the Largest Lake in Routt County?
Steamboat Lake is the largest lake in Routt County, at 968 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 88844313). Verified October 30, 2026.