Ventura Ranges | Level 5 (Parent) |
         Cuyama Area | Level 6 (Sibling) |
         Matilija-Ortega Area | Level 6 (Sibling) |
         Pine Mountain | Level 6 (Sibling) |
         Alamo Peak Area | Level 6 (Sibling) |
         Topatopa Mountains | Level 6 (Sibling) |
         Sespe Condor Area | Level 6 (Sibling) |
         Sulphur Mountain | Level 6 |
         Oak Ridge | Level 6 (Sibling) |
         Santa Susana Mountains | Level 6 (Sibling) |
         Simi Hills | Level 6 (Sibling) |