Parent Lineage
Althouse Mountain: 6,318' OR 1,338' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | Pyramid Peak | 6,451' | 5,420' | 1,031' | CA |
| 2 | Lake Peak | 6,648' | 5,180' | 1,468' | OR |
| 3 | Lake Mountain | 6,687' | 5,900' | 787' | OR |
| 4 | Grayback Mountain | 7,048' | 4,760' | 2,288' | OR |
| 5 | Preston Peak | 7,309' | 4,740' | 2,569' | CA |
| 6 | Observation Peak | 7,340' | 7,020' | 320' | OR |
| 7 | Dutchman Peak | 7,417' | 5,860' | 1,557' | OR |
| 8 | Ashland, Mount | 7,532' | 4,380' | 3,152' | OR |
| 9 | Aspen Butte | 8,208' | 5,100' | 3,108' | OR |
| 10 | McLoughlin, Mount | 9,495' | 5,020' | 4,475' | OR |
| 11 | South Sister | 10,362' | 4,768' | 5,594' | OR |
| 12 | Lassen Peak | 10,464' | 5,215' | 5,249' | CA |
| 13 | Highland Peak | 10,939' | 8,400' | 2,539' | CA |
| 14 | Stanislaus Peak | 11,233' | 10,440' | 793' | CA |
| 15 | Sonora Peak | 11,463' | 9,620' | 1,843' | CA |
| 16 | Leavitt Peak | 11,572' | 9,527' | 2,045' | CA |
| 17 | Tower Peak | 11,754' | 9,579' | 2,175' | CA |
| 18 | Eagle Peak | 11,851' | 9,504' | 2,347' | CA |
| 19 | Matterhorn Peak | 12,301' | 10,668' | 1,633' | CA |
| 20 | Twin Peaks | 12,325' | 10,183' | 2,142' | CA |
| 21 | Excelsior Mountain | 12,445' | 11,200' | 1,245' | CA |
| 22 | Conness, Mount | 12,594' | 9,940' | 2,654' | CA |
| 23 | Dana, Mount | 13,060' | 10,603' | 2,457' | CA |
| 24 | Lyell, Mount | 13,118' | 11,187' | 1,931' | CA |
| 25 | Ritter, Mount | 13,143' | 9,174' | 3,969' | CA |
| 26 | Red Slate Mountain | 13,163' | 11,420' | 1,743' | CA |
| 27 | "Ruby Peak" | 13,188' | 12,700' | 488' | CA |
| 28 | Mills, Mount | 13,460' | 12,980' | 480' | CA |
| 29 | Abbot, Mount | 13,704' | 12,860' | 844' | CA |
| 30 | Bear Creek Spire | 13,740' | 11,140' | 2,600' | CA |
| 31 | Humphreys, Mount | 13,986' | 11,423' | 2,563' | CA |
| 32 | North Palisade | 14,242' | 11,347' | 2,895' | CA |
| 33 | Williamson, Mount | 14,375' | 12,696' | 1,679' | CA |
| 34 | Whitney, Mount | 14,494' | 4,415' | 10,079' | CA |
Green = More Prominent Parent
Immediate Children:
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