Lakes / Colorado / Saguache County / Upper Dome Reservoir
Upper Dome Reservoir, Colorado
32 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
38.20 degrees N, 106.73 degrees W - Saguache 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 Upper Dome Reservoir Stacks Up
- Larger than 16% of the 778 lakes counted in Colorado.
- About 69 miles from Aspen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| McDonough Reservoir Number 2 | Saguache | 5.7 mi | 78 acres |
| McDonough Reservoir | Saguache | 8.6 mi | 32 acres |
| Needle Creek Reservoir | Saguache | 14 mi | 37 acres |
| Dry Lake | Hinsdale | 19 mi | 47 acres |
| Hot Springs Reservoir | Gunnison | 24 mi | 28 acres |
| Powderhorn Lakes | Hinsdale | 25 mi | 25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Dome Reservoir
How Big Is Upper Dome Reservoir?
Upper Dome Reservoir covers 32 acres in Saguache County, Colorado.
What Is the Largest Lake in Saguache County?
Trites Lake is the largest lake in Saguache County, at 110 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 69184617). Verified October 30, 2026.