Sometimes overgrown or washedout, there are some very good trails back here. Lots of twisty track and climbs. The site of the 12 horus or roundtop MTB race.
Off Rte 220 just south of Athens, PA turn at the Sunoco station and follow signs to Roundtop Park
http://www.singletracks.com/item.php?c=1&i=2566