Parent Lineage
Big Costilla Peak: 12,739' NM 199' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | 12943 | 12,943' | 11,456' | 1,487' | NM |
| 2 | Purgatoire Peak | 13,679' | 12,809' | 870' | CO |
| 3 | Vermejo Peak | 13,715' | 12,961' | 754' | CO |
| 4 | Red Mountain | 13,911' | 13,456' | 455' | CO |
| 5 | Culebra Peak | 14,053' | 9,250' | 4,803' | CO |
| 6 | Blanca Peak | 14,350' | 9,015' | 5,335' | CO |
| 7 | Harvard, Mount | 14,424' | 12,074' | 2,350' | CO |
| 8 | Massive, Mount | 14,427' | 12,444' | 1,983' | CO |
| 9 | Elbert, Mount | 14,438' | 5,346' | 9,092' | CO |
| 10 | Whitney, Mount | 14,494' | 4,415' | 10,079' | CA |
Green = More Prominent Parent
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