Southern Appalachian Ridges | Level 4 (Parent) |
         Garden-Brushy-East River Mountain Area | Level 5 |
                 East River Mountain | Level 6 (Child) |
                 Buckhorn Mountain | Level 6 (Child) |
                 Wolf Creek Mountain | Level 6 (Child) |
                 Rich Mountain | Level 6 (Child) |
                 Pearis-North Brushy Mountain Area | Level 6 (Child) |
                 Round Mountain | Level 6 (Child) |
                 Garden Mountain | Level 6 (Child) |
                 Brushy Mountain | Level 6 (Child) |
         Walker Mountain Complex | Level 5 (Sibling) |
         Clinch Mountain Complex | Level 5 (Sibling) |
         Powell Mountain-Wallen Ridge | Level 5 (Sibling) |
         Far South Appalachian Ridges | Level 5 (Sibling) |