Lakes / Colorado / Prowers County / Fort Lyons Reservoir
Fort Lyons Reservoir, Colorado
72 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
38.21 degrees N, 102.55 degrees W - Prowers 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 Fort Lyons Reservoir Stacks Up
- Larger than 57% of the 778 lakes counted in Colorado.
- About 130 miles from Colorado Springs, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Thurston Reservoir | Prowers | 4.6 mi | 204 acres |
| King Reservoir | Prowers | 6.4 mi | 113 acres |
| Neeskah Reservoir | Kiowa | 6.5 mi | 364 acres |
| Neeskah Reservoir | Kiowa | 8.1 mi | 915 acres |
| Neenoshe Reservoir | Kiowa | 12 mi | 3,167 acres |
| Neegronda Reservoir | Kiowa | 13 mi | 743 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Fort Lyons Reservoir
How Big Is Fort Lyons Reservoir?
Fort Lyons Reservoir covers 72 acres in Prowers County, Colorado.
What Is the Largest Lake in Prowers County?
Thurston Reservoir is the largest lake in Prowers County, at 204 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 72560929). Verified October 30, 2026.