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LakeQuality

7 kayaking lakes within driving distance of Mankato, Minnesota, ranked by water quality and kayaking-specific filters. Filtered for favourable clarity and algae readings, public access, and ideal paddling size (30-3,000 acres).

A moderate cluster of 7 measured lakes lies within reach of Mankato. Beaver Lake has the lowest nutrient and algae readings of the set.

The kayaking-specific ranking layered on top of the readings is what produces the list below: a lake with clean readings that does not also support the kayaking use case is less useful than a decent one that does.

#LakeCountyDistanceClarityDepth
1Beaver LakeSteele37.4 mi9.5 ft27 ft
2Roemhildts LakeLe Sueur15.2 mi10.2 ft60 ft
3Fish LakeLe Sueur17.1 mi11.8 ft55 ft
4Fedji LakeWatonwan20.1 mi3.3 ft6 ft
5Loon LakeWaseca24.6 mi2.5 ft9 ft
6St James LakeWatonwan34.4 mi3 ft15.4 ft
7Sleepy Eye LakeBrown37.5 mi3.3 ft21 ft

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Source: EPA National Aquatic Resource Surveys, 2026.