Here are the five highest mountains in the Appalachian Mountains, along with their altitudes:

1. Mount Mitchell (North Carolina) - 6,684 feet (2,037 meters)

2. Clingmans Dome (North Carolina) - 6,643 feet (2,025 meters)

3. Mount Guyot (North Carolina) - 6,621 feet (2,018 meters)

4. Mount Le Conte (Tennessee) - 6,593 feet (2,010 meters)

5. Shuckstack Mountain (North Carolina) - 6,512 feet (1,985 meters)