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, Unnamed 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.
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.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Loon Lake | Blue Earth | F | - | 5.7 mi |
| Crystal Lake | Blue Earth | F | - | 6.2 mi |
| Unnamed Lake | Blue Earth | B | - | 6.3 mi |
| Emily Lake | Le Sueur | F | 315 acres | 13.7 mi |
| Eagle Lake | Blue Earth | F | - | 10.6 mi |
| Oak Leaf Lake | Nicollet | D | - | 10.9 mi |
| George Lake | Blue Earth | F | - | 12.6 mi |
| Washington Lake | Le Sueur | F | - | 13.2 mi |
Other Parks in the Area
- Flandrau State Park— State Park, 20.3 mi
- Sakatah Lake State Park— State Park, 28.4 mi
- Fort Ridgely State Park— State Park, 36.8 mi
- Minnesota Valley State Recreation Area— State Recreation Area, 39.7 mi
Source: EPA National Aquatic Resource Surveys, 2026.