Parent Lineage
Twelvemile Peak: 8,144' OR 714' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | Light Peak | 8,325' | 7,810' | 515' | OR |
| 2 | Drake Peak | 8,407' | 5,850' | 2,557' | OR |
| 3 | Crane Mountain | 8,456' | 6,100' | 2,356' | OR |
| 4 | Milk Peak | 8,646' | 8,140' | 506' | CA |
| 5 | Warren Peak | 9,710' | 8,580' | 1,130' | CA |
| 6 | 9795 | 9,795' | 9,340' | 455' | CA |
| 7 | Eagle Peak | 9,900' | 5,530' | 4,370' | CA |
| 8 | Lassen Peak | 10,464' | 5,215' | 5,249' | CA |
| 9 | Highland Peak | 10,935' | 8,440' | 2,495' | CA |
| 10 | Stanislaus Peak | 11,233' | 10,440' | 793' | CA |
| 11 | Sonora Peak | 11,459' | 9,643' | 1,816' | CA |
| 12 | Leavitt Peak | 11,569' | 9,500' | 2,069' | CA |
| 13 | Tower Peak | 11,755' | 9,572' | 2,183' | CA |
| 14 | Eagle Peak | 11,847' | 9,500' | 2,347' | CA |
| 15 | Matterhorn Peak | 12,301' | 10,668' | 1,633' | CA |
| 16 | Twin Peaks | 12,325' | 10,183' | 2,142' | CA |
| 17 | Excelsior Mountain | 12,445' | 11,200' | 1,245' | CA |
| 18 | Conness, Mount | 12,594' | 9,940' | 2,654' | CA |
| 19 | Dana, Mount | 13,060' | 10,603' | 2,457' | CA |
| 20 | Lyell, Mount | 13,118' | 11,187' | 1,931' | CA |
| 21 | Ritter, Mount | 13,143' | 9,174' | 3,969' | CA |
| 22 | Red Slate Mountain | 13,163' | 11,420' | 1,743' | CA |
| 23 | "Ruby Peak" | 13,188' | 12,700' | 488' | CA |
| 24 | Mills, Mount | 13,460' | 12,980' | 480' | CA |
| 25 | Abbot, Mount | 13,704' | 12,860' | 844' | CA |
| 26 | Bear Creek Spire | 13,740' | 11,140' | 2,600' | CA |
| 27 | Humphreys, Mount | 13,986' | 11,423' | 2,563' | CA |
| 28 | North Palisade | 14,242' | 11,347' | 2,895' | CA |
| 29 | Williamson, Mount | 14,375' | 12,696' | 1,679' | CA |
| 30 | Whitney, Mount | 14,494' | 4,415' | 10,079' | CA |
Green = More Prominent Parent
Immediate Children:
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