Mille Lacs Kathio State Park
Mille Lacs Kathio State Park is a state park in Mille Lacs County. It was established in 1957. 8 graded lakes are within 15 miles of the park, including Ml-Vineland Lake, Outlet of Ogechie Lake on the Rum River, Outlet of Onamia Lake on the Rum River.
Mille Lacs Kathio 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. 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 Mille Lacs Kathio State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Ml-Vineland Lake | Mille Lacs | B | 128,250 acres | 1.9 mi |
| Outlet of Ogechie Lake on the Rum River | Mille Lacs | A | 409 acres | 1.9 mi |
| Outlet of Onamia Lake on the Rum River | Mille Lacs | A | 1,044 acres | 5 mi |
| Ml-Se Lake | Mille Lacs | B | 128,250 acres | 10 mi |
| Ml-Nw Lake | Aitkin | B | 128,250 acres | 11.7 mi |
| Ml-Ce Lake | Aitkin | B | 128,250 acres | 11.8 mi |
| Ml-Peterson Lake | Mille Lacs | B | 128,250 acres | 12 mi |
| Mille Lacs Lake | Mille Lacs | C | 128,250 acres | 12.4 mi |
Other Parks in the Area
- Father Hennepin State Park— State Park, 12.1 mi
- Sagamore Unit— State Park, 27 mi
- Cuyuna Country State Recreation Area— State Recreation Area, 27.4 mi
- Portsmouth Unit— State Park, 27.4 mi
Where to stay near Mille Lacs Kathio State Park
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Source: EPA National Aquatic Resource Surveys, 2026.