Appalachian trail ) Jump to: navigation , search Appalachian Trail Map of Appalachian Trail Length Approx. 2175 mi (3500 km) a[›] Location Eastern United States Trailheads Springer Mountain , Georgia Mount Katahdin , Maine Use Hiking Elevation Change 475,200 ft (144,841 m) [ 1 ] Highest Point Clingmans Dome 6643 ft Lowest Point Hudson River Trail Difficulty