Lakes / Colorado / Morgan County / Jackson Reservoir
Jackson Reservoir, Colorado
2,434 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
40.39 degrees N, 104.07 degrees W - Morgan 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 Jackson Reservoir Stacks Up
- Larger than 98% of the 778 lakes counted in Colorado.
- The largest lake in Morgan County among those counted.
- About 66 miles from Denver, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sunken Lake | Morgan | 5.5 mi | 53 acres |
| Bijou Number 2 Reservoir | Morgan | 9.0 mi | 414 acres |
| Empire Reservoir | Weld | 9.8 mi | 2,486 acres |
| Greasewood Lake | Weld | 10 mi | 118 acres |
| Riverside Reservoir | Weld | 11 mi | 3,633 acres |
| Dutch Girl Lake | Weld | 14 mi | 37 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Jackson Reservoir
How Big Is Jackson Reservoir?
Jackson Reservoir covers 2,434 acres in Morgan County, Colorado.
What Is the Largest Lake in Morgan County?
Jackson Reservoir is the largest lake in Morgan County, at 2,434 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 120652496). Verified October 30, 2026.