Rocky Arbor State Park
Rocky Arbor State Park is a state park in Juneau County, Sauk County. It was established in 1932. 8 graded lakes are within 15 miles of the park, including Lake Delton, Mirror Lake, Mason Lake.
Rocky Arbor State Park is a Wisconsin 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: C.
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 Rocky Arbor State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Lake Delton | Sauk | F | 267 acres | 3.3 mi |
| Mirror Lake | Sauk | D | 137 acres | 5.2 mi |
| Mason Lake | Adams | F | 856 acres | 10 mi |
| Fawn Lake | Adams | B | 19 acres | 5.5 mi |
| Lake Redstone | Sauk | F | 612 acres | 14.5 mi |
| Buckhorn Lake | Sauk | A | - | 7.6 mi |
| Peppermill Lake | Adams | B | 80 acres | 12.8 mi |
| Jordan Lake | Adams | A | - | 10.5 mi |
Other Parks in the Area
- Mirror Lake State Park— State Park, 5.4 mi
- Devil's Lake State Park— State Park, 16.4 mi
- Natural Bridge State Park— State Park, 21.5 mi
- Buckhorn State Park— State Park, 22.8 mi
Source: EPA National Aquatic Resource Surveys, 2026.