Wawayanda State Park is a 34,350 acres (139.0 km2) state park in Sussex County and Passaic County in northern New Jersey. The park is in Vernon Township on the Sussex side, and West Milford on the Passaic side. There are 60 miles (97 km) of hiking trails in the park, including a 20 miles (32 km) stretch of the Appalachian Trail. The park is operated and maintained by the New Jersey Division of Parks and Forestry. The hiking trails are maintained and updated by the New York - New Jersey Trail Conference.