Parent Lineage
North Twin: 7,703' AK 1,153' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | 7765 | 7,765' | 7,450' | 315' | AK |
| 2 | Iliamna Volcano | 10,016' | 2,150' | 7,866' | AK |
| 3 | Redoubt Volcano | 10,197' | 1,050' | 9,147' | AK |
| 4 | Torbert, Mount | 11,413' | 2,725' | 8,688' | AK |
| 5 | Russell, Mount | 11,670' | 6,150' | 5,520' | AK |
| 6 | 12250 | 12,250' | 11,950' | 300' | AK |
| 7 | "The Fin" | 13,350' | 12,750' | 600' | AK |
| 8 | "Southwest Foraker" | 16,550' | 16,250' | 300' | AK |
| 9 | Foraker, Mount | 17,400' | 10,150' | 7,250' | AK |
| 10 | Denali | 20,320' | 148' | 20,172' | AK |
Green = More Prominent Parent
Immediate Children:
| # | Child | Elevation | Prominence | State |
| 1 | South Twin | 7,444' | 1,194' | AK |
Home Index