14 U.S. States the Appalachian Mountains Pass Through

The Appalachian Mountains traverse 14 U.S. states from north to south:

1. Maine
2. New Hampshire
3. Vermont
4. New York
5. Massachusetts
6. Connecticut (often included; the list in the source omitted it but it's part of the range)
7. New Jersey
8. Pennsylvania
9. Maryland
10. West Virginia
11. Virginia
12. North Carolina
13. Tennessee
14. South Carolina
15. Georgia
16. Alabama

(The range also extends into the Canadian provinces of Newfoundland, Quebec, New Brunswick, and Nova Scotia.)

The Appalachian Trail, a 2,190+ mile hiking path, follows the ridgeline through all 14 states, connecting Springer Mountain, GA, to Mount Katahdin, ME.