Governor Thompson State Park
Governor Thompson State Park is a state park in Marinette County. It was established in 2000. 8 graded lakes are within 15 miles of the park, including Caldron Falls Reservoir, High Falls Reservoir at, Eagle Lake.
Governor Thompson 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. 8 graded lakes are within easy reach of the park, with an average grade of B. Eagle Lake (A) is the cleanest of the set.
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.
Official Resources
Nearby Graded Lakes (within 15 mi)
Lakes closest to Governor Thompson State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Caldron Falls Reservoir | Marinette | D | 1.0K acres | 1.6 mi |
| High Falls Reservoir at | Marinette | C | - | 3.2 mi |
| Eagle Lake | Marinette | A | - | 5.5 mi |
| Thunder Lake | Marinette | A | - | 5.5 mi |
| Grindle Lake | Oconto | B | 95 acres | 9.3 mi |
| Boundary Lake | Oconto | A | - | 6 mi |
| Little Newton Lake | Marinette | A | - | 6.4 mi |
| Big Newton Lake | Marinette | A | - | 6.8 mi |
Other Parks in the Area
- Copper Culture State Park— State Park, 35.3 mi
Source: EPA National Aquatic Resource Surveys, 2026.