Father Hennepin State Park
Father Hennepin State Park is a state park in Mille Lacs County. It was established in 1941. 8 graded lakes are within 15 miles of the park, including Mille Lacs Lake, Ml-Thains Lake, Ml-Malone Lake.
Father Hennepin State Park is a Minnesota State Park covering 79,074 acres. State parks are the most heavily-developed of the public-land designations — campground, picnic, boat-launch, interpretive-center. The park is paired with 8 graded lakes nearby — enough for a multi-lake visit. Average grade among them: B.
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.
Official Resources
Nearby Graded Lakes (within 15 mi)
Lakes closest to Father Hennepin State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Mille Lacs Lake | Mille Lacs | C | - | 0.5 mi |
| Ml-Thains Lake | Mille Lacs | B | - | 0.8 mi |
| Ml-Malone Lake | Mille Lacs | B | - | 1.9 mi |
| Ml-Se Lake | Mille Lacs | B | - | 3.3 mi |
| Knife Lake | Kanabec | F | 1.3K acres | 14.7 mi |
| Ml-Peterson Lake | Mille Lacs | B | - | 6.2 mi |
| Outlet of Ogechie Lake on the Rum River | Mille Lacs | A | 410 acres | 14.1 mi |
| Cedar Lake | Aitkin | C | - | 6.5 mi |
Other Parks in the Area
- Mille Lacs Kathio State Park— State Park, 12.1 mi
- Banning State Park— State Park, 30.4 mi
- Yawkey Unit— State Park, 32.9 mi
- Portsmouth Unit— State Park, 33.3 mi
Source: EPA National Aquatic Resource Surveys, 2026.