How nearly every Blue Ridge Parkway adventure begins and ends: a stone arch We planned this trip three weeks out when we were looking to camp in Hanging Rock during an October weekend. Every single reservable campsite was booked for every single weekend in October. When I relayed this information to my friend Sarah, who had felt me out on whether we would want to try a joint family trip, she suggested checking out Doughton Park, which I had never heard of. This is a national park, and camping reservations can be made through recreation.gov. To our good fortune, there were still three or four spots still available. We grabbed…