Near Fowlers Hollow State Park, Colonel Denning State Park, Big Spring State Park and the Hemlocks State Forest Natural Area, a National Natural Landmark; the 90,968-acre Tuscarora State Forest is located in Cumberland, Franklin, Huntingdon, Juniata, Mifflin, and Perry Counties. Activities available include fishing, hiking, boating, hunting, picnicking, skiing, and snowmobiling.