You could try the Md side of the C&D Canal in North East.
The C&D canal is about 15 minutes North of you. Just go up 40 and turn right where the Chesapeake City fence/sign is. It's back on the left side by a farm. I'll get ya more precise directions when I get street names.
:welcome:
If you dont mind driving some there is a nice ORV park off of I-81 in PA called rousch creek.Not sure how far of a drive for you,but I do know some people from MD that goto it.
Rausch Creek is AWESOME but it's a 3 hour ride from here.
The C&D has a couple of holes that will swallow you whole. DON'T go there alone!!!