Core Creek Park 
Middletown Township
Langhorne, PA 19047
215-348-6114
http://www.buckscounty.org/government/ParksandRecreation/Parks/CoreCreek
Park: Bike, Fish, Hike, Horse, Picnic, Walk, Water Sports
Consists of 1200 acres of public land, including Lake Luxembourg. Hiking trails afford solitude with lakeside and streamside views. Some trails also accomodate bicycling and horse riding.