Lakes / Wisconsin / La Crosse County
Lakes in La Crosse County, Wisconsin
9 lakes counted in La Crosse County - the largest is Lake Onalaska at 8,391 acres.
9
Lakes Counted
8,391 acres
Largest - Lake Onalaska
40 ft
Deepest - Lake Onalaska
La Crosse County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Onalaska | La Crosse | 8,391 acres | 40 ft |
| 2 | Neshonoc Lake | La Crosse | 606 acres | 11 ft |
| 3 | Round Lake | La Crosse | 381 acres | None ft |
| 4 | Richmond Bay | La Crosse | 195 acres | None ft |
| 5 | Black River -Un Slough | La Crosse | 184 acres | None ft |
| 6 | French Lake | La Crosse | 157 acres | None ft |
| 7 | Van Loon Lake | La Crosse | 111 acres | 3 ft |
| 8 | Wigwam Slough | Vernon, La Crosse | 12 acres | None ft |
| 9 | Running Slough | La Crosse | 12 acres | None ft |
Sources: Wisconsin DNR lake data; USGS. Verified October 28, 2026.