Swan Lake State Park is a public recreation area at the north end of 3mi Swan Lake in the town of Swanville, Waldo County, Maine. The state park's offer opportunities for swimming, picnicking, canoeing, and fishing. The 1370acre lake supports populations of smallmouth bass, landlocked salmon, white perch, brook trout, and wild togue. The park is managed by the Maine Department of Agriculture, Conservation and Forestry.