Lakes / Minnesota / Olmsted County
Lakes in Olmsted County, Minnesota
10 lakes counted in Olmsted County - the largest is Zumbro at 715 acres.
10
Lakes Counted
715 acres
Largest - Zumbro
43 ft
Deepest - Zumbro
Olmsted County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Zumbro | Olmsted | 715 acres | 43 ft |
| 2 | Shady | Olmsted | 144 acres | 13 ft |
| 3 | Silver Crk Reservoir SR-2 | Olmsted | 107 acres | - |
| 4 | Bear Creek Reservoir | Olmsted | 104 acres | 37 ft |
| 5 | Cascade Ponds | Olmsted | 72 acres | - |
| 6 | Willow Reservoir 6A | Olmsted | 60 acres | 22 ft |
| 7 | Kalmar Reservoir (KR-7) | Olmsted | 55 acres | - |
| 8 | Silver | Olmsted | 50 acres | 11 ft |
| 9 | Willow Reservoir 4 | Olmsted | 36 acres | 24 ft |
| 10 | Foster-Arend | Olmsted | 18 acres | 42 ft |
Sources: Minnesota DNR lake data; USGS. Verified October 30, 2026.