Yellowstone Lake State Park
Yellowstone Lake State Park is a state park in Lafayette County. It was established in 1970. 4 graded lakes are within 15 miles of the park, including Yellowstone Lake, Hidden Valley Lake, Hidden Valley Lake 1.
Yellowstone Lake State Park is a Wisconsin State Park covering 239,198 acres. State parks are the most heavily-developed of the public-land designations — campground, picnic, boat-launch, interpretive-center. The park is paired with 4 graded lakes nearby — enough for a multi-lake visit. Average grade among them: D.
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 Yellowstone Lake State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Yellowstone Lake | Lafayette | F | 455 acres | 0.5 mi |
| Hidden Valley Lake | Lafayette | C | 22 acres | 1.8 mi |
| Hidden Valley Lake 1 | Lafayette | B | 22 acres | 1.8 mi |
| Ludden Lake | Iowa | F | 58 acres | 13.7 mi |
Other Parks in the Area
- New Glarus Woods State Park— State Park, 17.6 mi
- Belmont Mound State Park— State Park, 18.9 mi
- Governor Dodge State Park— State Park, 19.2 mi
- Blue Mound State Park— State Park, 19.4 mi
Source: EPA National Aquatic Resource Surveys, 2026.