Some places I've done recently,
Brown Mountain, you can run trail 1 and 8 (I believe) in a truck/Jeep. There are a few spots to camp on the entrance road to the parking area plus areas close by. We stayed at one of the spots on the entrance road.
1610 Brown Mountain Beach Road, Morganton, NC (35.88972, -81.73695)
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Old Highway 105, mainly a dirt/gravel road that runs through some very scenic areas. We ran South to North starting at Lake James State Park and turning off 126. if you look on Google it shows as SR 1238 (35.771496, -81.902660)
Make sure you stop at Wiseman's View and check it out. it dumps you off at 183 not far from Linville Falls visitor center. There are several good spots to camp along 105, first come first served though.
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Horse Pasture road to Jumping Off Rock Overlook in South Carolina is another dirt/gravel road to an awesome overlook of Lake Jocassee. We started at Foothills Trail Access 4x4 (35.050769, -82.812787)
We ran into a closed gate at the top by the overlook so we turned around, not sure if this is always the case. We camped on the other side of the lake at Cherry Hill Recreation Area (34.942511, -83.088465)
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