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LakeQuality

Minneopa State Park

Minneopa State Park is a state park in Blue Earth County. It was established in 1905. 8 graded lakes are within 15 miles of the park, including Loon Lake, Crystal Lake, Eagle Lake.

Minneopa State Park is a Minnesota State Park covering an unrecorded acreage acres. State parks are the most heavily-developed of the public-land designations — campground, picnic, boat-launch, interpretive-center. 8 graded lakes are within easy reach of the park, with an average grade of D. Unnamed Lake (B) is the cleanest of the set.

State parks pair well with the LakeGrade dataset: the park itself usually has interpretive signage explaining the local lake system, but the per-lake grade tells you which actual lake in the system to head to.

Designation
State Park
County
Blue Earth County
Established
1905

Nearby Graded Lakes (within 15 mi)

Lakes closest to Minneopa State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.

LakeCountyGradeSurface AreaDistance
Loon LakeBlue EarthF809 acres5.7 mi
Crystal LakeBlue EarthF379 acres6.2 mi
Eagle LakeBlue EarthF898 acres10.6 mi
Washington LakeLe SueurD1,516 acres13.2 mi
Madison LakeBlue EarthD1,447 acres14.6 mi
Unnamed LakeBlue EarthB-6.3 mi
Ballantyne LakeBlue EarthD371 acres13.6 mi
Emily LakeLe SueurD300 acres13.7 mi

Other Parks in the Area

Park location and metadata sourced from Wikidata. For trail maps, camping reservations, and current conditions, visit the official MN DNR page. Lake grades are derived from EPA Water Quality Portal data using Metropolitan Council standards.

Where to stay near Minneopa State Park

Compare cabins, hotels, and vacation rentals near Minneopa State Park — find a place to stay close to the park and its nearby lakes.

Top-rated places to stay near Minneopa State Park

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Source: EPA National Aquatic Resource Surveys, 2026.