Parent Lineage
Twin Peaks, East: 5,620' WA 160' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | Columbia Peak | 7,172' | 6,020' | 1,152' | WA |
| 2 | Kyes Peak | 7,300' | 5,540' | 1,760' | WA |
| 3 | Sloan Peak | 7,835' | 3,940' | 3,895' | WA |
| 4 | "Kololo Peaks" | 8,243' | 7,280' | 963' | WA |
| 5 | Glacier Peak | 10,549' | 3,009' | 7,540' | WA |
| 6 | Little Tahoma Peak | 11,141' | 10,302' | 839' | WA |
| 7 | Rainier, Mount | 14,412' | 1,148' | 13,264' | WA |
| 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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