Lakes / Colorado / Douglas County / Aurora-Rampart Reservoir
Aurora-Rampart Reservoir, Colorado
67 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
39.45 degrees N, 105.07 degrees W - Douglas 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 Aurora-Rampart Reservoir Stacks Up
- Larger than 55% of the 778 lakes counted in Colorado.
- About 20 miles from Denver, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Platte Canyon Reservoir | Douglas | 3.0 mi | 53 acres |
| Strontia Springs Reservoir | Jefferson | 4.0 mi | 81 acres |
| Chatfield Lake | Jefferson | 6.6 mi | 1,389 acres |
| South Platte Reservoir | Arapahoe | 8.5 mi | 149 acres |
| McLellan Reservoir | Arapahoe | 8.7 mi | 191 acres |
| Eaglewatch Lake | Arapahoe | 8.7 mi | 46 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Aurora-Rampart Reservoir
How Big Is Aurora-Rampart Reservoir?
Aurora-Rampart Reservoir covers 67 acres in Douglas County, Colorado.
What Is the Largest Lake in Douglas County?
Rueter-Hess Reservoir is the largest lake in Douglas County, at 216 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 117819465). Verified October 30, 2026.