North Cascades | Level 4 (Parent) |
         Far Northern Cascade Range | Level 5 (Sibling) |
         Skagit Range | Level 5 (Sibling) |
         Hozameen Range | Level 5 (Sibling) |
         Okanogan Range | Level 5 (Sibling) |
         Mountain Loop Area | Level 5 (Sibling) |
         Central North Cascades | Level 5 |
                 Ragged Ridge | Level 6 (Child) |
                 Goode-Logan-Black Area | Level 6 (Child) |
                 Eldorado Massif | Level 6 (Child) |
                 Buckner-Boston Massif | Level 6 (Child) |
                 Buckindy-Snowking Area | Level 6 (Child) |
                 Ptarmigan Crest | Level 6 (Child) |
                 Bonanza Massif | Level 6 (Child) |
         Methow Mountains | Level 5 (Sibling) |
         Glacier Peak-North Stevens Pass Area | Level 5 (Sibling) |
         Entiat Mountains | Level 5 (Sibling) |
         Chelan Mountains | Level 5 (Sibling) |