Lakes / Wyoming / Platte County
Lakes in Platte County, Wyoming
11 lakes counted in Platte County - the largest is Glendo Reservoir at 12,365 acres.
11
Lakes Counted
12,365 acres
Largest - Glendo Reservoir
145 ft
Deepest - Glendo Reservoir
Platte County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Glendo Reservoir | Platte | 12,365 acres | 145 ft |
| 2 | Grayrocks Reservoir | Platte | 3,600.33 acres | - |
| 3 | Guernsey Reservoir | Platte | 2,377 acres | - |
| 4 | Reservoir Number One | Platte | 384.63 acres | - |
| 5 | Reservoir Number Three | Platte | 164.5 acres | - |
| 6 | Reservoir Number One | Platte | 99.83 acres | - |
| 7 | Festo Lake | Platte | 42.26 acres | - |
| 8 | Rock Lake | Platte | 38.8 acres | - |
| 9 | Wheeler Lake | Platte | 34.21 acres | - |
| 10 | Muddy Reservoir Number 1 | Platte | 27.68 acres | - |
| 11 | Guernsey Fish Pond | Platte | 8 acres | 12 ft |
Sources: Wyoming Game and Fish Department lake data; USGS. Verified October 30, 2026.