I have a hunting camp in Tionesta, but I dont know where any off road trails are, other than for ATV's. I would love to go sometime. Let me know if you find a place.
PA sux for off-roading places, unless you know people with private land. Have you seen this Pittsburgh based offroading group? www.pgh-offroad.com Good bunch of guys and girls and you can find info on trail runs and rides being organised in the area. If you are not too far from this place www.beaverun.com then you may be interested in their April 24 run on their new offroad sections.