Colonel Denning State Park 
1599 Doubling Gap Rd.
Newville, PA 17241
717-776-5272
http://www.dcnr.state.pa.us/stateparks/findapark/coloneldenning/index.htm
State Park: Birding, Camp, Fish, Hike, Picnic, Walk, Water Sports
In addition to the 18 miles of hiking trails, the park is a trailhead for the 105-mile Tuscarora Trail.