- Potawatomi State Park is a 1,225-acre (496 ha) Wisconsin state park northwest of the city of Sturgeon Bay, Wisconsin in the Town of Nasewaupee. It is located on Sturgeon Bay, a bay of the Bay of Green Bay in Door County. Potawatomi State Park was established in 1928. Activities and amenitiesTrails: The park has several hiking trails and is the eastern terminus of the Ice Age National Scenic Trail. Park trails are used for hiking, bicycling, cross-country, and snowmobiling. Green Bay: The park has two miles of water frontage on Green Bay which provides opportunities for boating, canoeing, and fishing.