Located in the United States, the Appalachian Mountains run through Alabama, Georgia, South Carolina, North Carolina, New Jersey, Tennessee, Kentucky, Ohio, West Virginia, Virginia, Maryland, Pennsylvania, New York, Connecticut, Massachusetts, Vermont, New Hampshire and Maine, as well as and several Canadian territories. The mountain range is approximately 2,000 miles long.
The Appalachian Trail runs through the Appalachian Mountains and is 2,185 miles long. The Appalachian Trail is popular with both through-hikers, those people who hike the trail from start to finish in one trip, as well as those who are looking for shorter day or weekend hikes. The trail took 16 years to complete and was opened in 1937.