Trails.com -- put in zip code and find all kinds of trails and details. Even browse trails by outdoor activity.
20 Great Biking & Hiking Trails in Western Pennsylvania - Pittsburgh Magazine - April 2015 - Pittsburgh, PA
Hiking trails in PA
10 Epic Hiking Spots In Pennsylvania That Are Out Of This World 1. Hawk Mountain Sanctuary, Albany Township
Popular Hikes In Pennsylvania http://www.onlyinyourstate.com/pennsylvania/hikes-under-5-miles-pa/
20 Incredible Hikes Under 5 Miles Everyone In Pennsylvania Should Take1. Bushkill Falls, Stroudsburg
Can't believe i lived in PA for 30+ years and never heard/saw this... Saylor Cement Kilns off the Ironton Rail-Trail in Coplay, PA
The Laurel Highlands Hiking trail is a 70-mile backpacking and hiking trail in Western PA. Part of the Potomac Heritage Trail, it is one of the most celebrated Pennsylvania hiking trails for its varied terrain and wondrous beauty.
Great Allegheny Passage biking and hiking is ideal for anyone wanting to blend a "take it at your own pace" adventure with breathtaking scenery and, literally, a journey through history.