Lakes / Colorado / El Paso County / Big Johnson Reservoir
Big Johnson Reservoir, Colorado
274 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
38.75 degrees N, 104.69 degrees W - El Paso 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 Big Johnson Reservoir Stacks Up
- Larger than 84% of the 778 lakes counted in Colorado.
- About 9 miles from Colorado Springs, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Curr Reservoir | El Paso | 7.2 mi | 33 acres |
| Prospect Lake | El Paso | 7.7 mi | 48 acres |
| Calhan Reservoir | El Paso | 8.2 mi | 57 acres |
| Penrose-Rosemont Reservoir | Teller | 14 mi | 72 acres |
| Lake Moraine | El Paso | 17 mi | 67 acres |
| McReynolds Reservoir | Teller | 17 mi | 100 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Big Johnson Reservoir
How Big Is Big Johnson Reservoir?
Big Johnson Reservoir covers 274 acres in El Paso County, Colorado.
What Is the Largest Lake in El Paso County?
Rampart Reservoir is the largest lake in El Paso County, at 378 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 128019199). Verified October 30, 2026.