Lakes / Minnesota / Lyon County
Lakes in Lyon County, Minnesota
15 lakes counted in Lyon County - the largest is Yankton at 403 acres.
15
Lakes Counted
403 acres
Largest - Yankton
22 ft
Deepest - East Twin
Lyon County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Yankton | Lyon | 403 acres | 8 ft |
| 2 | Cottonwood | Lyon | 383 acres | 7 ft |
| 3 | Rock | Lyon | 379 acres | 7.9 ft |
| 4 | Wood | Lyon | 373 acres | 14 ft |
| 5 | East Twin | Lyon | 356 acres | 22 ft |
| 6 | School Grove | Lyon | 349 acres | 11 ft |
| 7 | Lady Slipper | Lyon | 286 acres | 11 ft |
| 8 | West Twin | Lyon | 220 acres | 10 ft |
| 9 | Island | Lyon | 170 acres | 8 ft |
| 10 | McKay | Lyon | 167 acres | - |
| 11 | Goose | Lyon | 150 acres | 9 ft |
| 12 | Lake of the Hill | Lyon | 147 acres | - |
| 13 | Sanderson | Lyon | 92 acres | 6 ft |
| 14 | Clear | Lyon | 66 acres | 11 ft |
| 15 | Brawner | Lyon | 30 acres | 18 ft |
Sources: Minnesota DNR lake data; USGS. Verified October 30, 2026.