Mitchell State Park is a popular camping, fishing and boating destination. The park is situated between Lake Mitchell and Lake Cadillac and provides an excellent opportunity to view a variety of wildlife. A historic canal connects the two lakes and runs directly through the park. William Mitchell State Park is a popular camping, fishing and boating destination. The 334-acre park is situated between Lake Mitchell and Lake Cadillac and provides an excellent opportunity to view a variety of wildlife on the outskirts of Cadillac. The park was officially dedicated in 1919. A historic canal connects the two lakes and runs directly through the park.