Lake Carlos State Park
Lake Carlos State Park is a state park in Douglas County. It was established in 1937. 8 graded lakes are within 15 miles of the park, including Miltona Lake, Ida Lake, Carlos Lake.
Lake Carlos State Park State Park spans an unrecorded acreage acres in Minnesota — a designated recreation destination with the full set of facilities the state park system provides. 8 graded lakes are within easy reach of the park, with an average grade of B. Miltona Lake (A) 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.
Official Resources
Nearby Graded Lakes (within 15 mi)
Lakes closest to Lake Carlos State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Miltona Lake | Douglas | A | 5.7K acres | 3.2 mi |
| Ida Lake | Douglas | A | 4.4K acres | 3.8 mi |
| Carlos Lake | Douglas | A | 183 acres | 3.4 mi |
| Geneva Lake | Douglas | B | 635 acres | 7 mi |
| Le Homme Dieu Lake | Douglas | B | - | 4.7 mi |
| Irene Lake | Douglas | B | - | 4.9 mi |
| Moses Lake | Douglas | A | 824 acres | 13.2 mi |
| Aaron Lake | Douglas | C | 611 acres | 13 mi |
Other Parks in the Area
- Inspiration Peak State Wayside Park— State Wayside, 15 mi
- Glendalough State Park— State Park, 28.1 mi
- Glacial Lakes State Park— State Park, 33 mi
- Charles A. Lindbergh State Park— State Park, 45.3 mi
Source: EPA National Aquatic Resource Surveys, 2026.