there is Walhounding Campgrounds 30 mins east of Mount vernon, think its like 200 acres of trails or something, if your looking for a place to camp out all weekend and ride, they ride till like 1 or 2 in morning its not expensive my bro and cuz are out there almost every weekend, they allow anything on the trails from bikes, quads, bugies, trucks, hell ive even seen cars out there ehehe, just have to watch yourself later in the night cause ppl start to drink and ride.....if your interested i can get the address and number for you just pm me