Patterson State Park is a Pennsylvania state park on 10 acres (4.0 ha) in Summit Township, Potter County, Pennsylvania in the United States. The park is on Pennsylvania Route 44 near Sweden Valley. The park has two rustic roadside pavilions.Patterson State Park is surrounded by Susquehannock State Forest. Visitors use the park as a trail head for hiking, cross-country skiing, mountain biking, and snowmobiling. The Susquehannock Trail System, an 85-mile (137 km) loop almost entirely on state forest land, passes through the park. A mountain bike trail begins at Denton Hill State Park and runs 15 miles (24 km) as it passes through Patterson State Park on its way to Cherry Springs State Park. Overnight camping in tents is permitted at the park.