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LakeQuality

Peninsula State Park

Peninsula State Park is a state park in Door County. It was established in 1909. 4 graded lakes are within 15 miles of the park, including Mi50b Lake, Kangaroo Lake, Europe Lake.

Peninsula State Park is a Wisconsin State Park covering 933,068 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: A.

For visitors planning around water quality, the nearby-lakes list below is the practical tool: a park is only as good as the lake you intend to use it from, and the LakeGrade for that lake gives you the water-clarity, nutrient, and algal-pressure context you need.

Designation
State Park
County
Door County
Established
1909

Nearby Graded Lakes (within 15 mi)

Lakes closest to Peninsula State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.

LakeCountyGradeSurface AreaDistance
Mi50b LakeDoorA-8.7 mi
Kangaroo LakeDoorB-9.2 mi
Europe LakeDoorB-13.8 mi
Clark LakeDoorA-14.8 mi

Other Parks in the Area

Park location and metadata sourced from Wikidata. For trail maps, camping reservations, and current conditions, visit the official WI DNR. Lake grades are derived from EPA Water Quality Portal data using Metropolitan Council standards.

Source: EPA National Aquatic Resource Surveys, 2026.