The Appalachian Trail is one of the world's most hiking trails. It run, more or less uninterrupted, all the way from northern Georgia to Maine. That's a total run of about 3.5k km or around 2.2k mi., with the length varying a bit by season. While the first section of the trail was built in New York (state) in the 1920's, and it's been significantly modified in the ensuing decades. In this drone video, you'll get a bird's eye view of the trail at McAfee Knob, an odd-shaped geological formation in Roanoake County of western Virginia.