Gulches OHV Park is just outside Laurens, SC. It’s the only “OHV” Park for Jeeps in SC. It ranges from mild to wild and I’ve enjoyed it on several occasions.
http://gulchesorvpark.com/ Other than that is Uwharrie in central NC, it has more land and again can range from mild to wild. Look those to up on web/YouTube. As 05 blue stated there are many forest service roads/rural public roads in the blue ridge foothills. They start around Isoqueena Falls( check spelling) and go through that tri state area