Pearl Hill State ParkPearl Hill State Park is a Massachusetts state park located in the town of Townsend about from Boston. The park lies adjacent to Willard Brook State Forest and is managed by the Department of Conservation and Recreation.WWW mass.gov/locations/pearl-...Activities and amenitiesPark trails are used for hiking, mountain biking, cross-country skiing, and snowmobiling. A trail connects to Willard Brook State Forest. The park also offers campsites, a pond with beach, picnicking, fishing, and interpretive programs.