Over 40 miles of summer trail. During the winter season the trail system is expanded to 42 miles by using some dirt roads that are gated during the winter. Part of the trail system is shared with snowmobiles when there is sufficient snowfall. The trail is located between Big Flat and Pine Grove Furnace State Park. Access to these are from parking lots located at Big Flat along Shippensburg Road about 1-1/4 miles north of its intersection with Route 233 and on Piney Mountain along Bendersville Road south of Pine Grove Furnace State Park. Only ATVs with three or more wheels are permitted. Motorcycles and trail bikes are not permitted. Open during the summer and winter seasons. All ATVs must be registered and insured. Stay on designated trails.