وصلة مرجع: https://appalachiantrail.org/explore/hike-the-a-t/thru-hiking/2000-milers/. الاقتباس: It’s estimated that 3 million visitors hike a portion of the Appalachian Trail each year. Most enjoy day hikes and short backpacking trips, but each year a small fraction of those hikers complete the entire Trail..
