High Quality Content by WIKIPEDIA articles! Susquehanna State Park is a Pennsylvania state park on 20 acres (8.1 ha) in Williamsport in Lycoming County, Pennsylvania in the United States. The park is on the West Branch Susquehanna River in the western part of Williamsport, and is operated by the Williamsport / Lycoming Chamber of Commerce in cooperation with the Bureau of State Parks of the Pennsylvania Department of Conservation and Natural Resources. Susquehanna State Park offers cruises on a paddlewheeler, boating, fishing, and picnicking.