Stone Mountain State Park - Lower Trailhead is a Park located in Traphill, NC 28685. It is one of the 9708 parks in United States. Address of Stone Mountain State Park - Lower Trailhead is Stone Mountain Rd, Traphill, NC 28685, United States. Stone Mountain State Park - Lower Trailhead can be contacted at 13369578185. Stone Mountain State Park - Lower Trailhead is located in a remote area, with less than 1 listed places around it. Stone Mountain State Park - Lower Trailhead is rated 5 (out of 5 stars) by 39 reviewers on the web.