Best Lakes for Swimming Near Mankato
Minnesota
3 swimming lakes within driving distance of Mankato, Minnesota, ranked by water quality and swimming-specific filters. Filtered for grade A or B water quality, low algae (chlorophyll-a under 15 µg/L), and public access. Always check local advisories on the day you swim.
| # | Lake | County | Grade | Distance | Clarity | Depth |
|---|---|---|---|---|---|---|
| 1 | Fish Lake | Le Sueur | A | 17.1 mi | 11.8 ft | 55 ft |
| 2 | Unnamed Lake | Blue Earth | B | 3.3 mi | - | - |
| 3 | Roemhildts Lake | Le Sueur | B | 15.2 mi | 10.2 ft | 60 ft |