Parent Lineage
Flattop Butte: 5,870' WY 400' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | Niobrara County HP | 6,110' | 5,605' | 505' | WY |
| 2 | Goshen County HP | 6,130' | 5,170' | 960' | WY |
| 3 | Pine Ridge | 6,315' | 5,610' | 705' | WY |
| 4 | 6707 | 6,707' | 6,387' | 320' | WY |
| 5 | Garfield Peak | 8,244' | 6,730' | 1,514' | WY |
| 6 | Roundtop Mountain | 8,736' | 8,250' | 486' | WY |
| 7 | Iron Mountain | 8,770' | 8,390' | 380' | WY |
| 8 | 9350 | 9,350' | 9,030' | 320' | WY |
| 9 | Granite Peak | 10,404' | 9,740' | 664' | WY |
| 10 | Atlantic Peak | 12,501' | 10,327' | 2,174' | WY |
| 11 | Wind River Peak | 13,200' | 10,629' | 2,571' | WY |
| 12 | Jackson Peak | 13,523' | 12,784' | 739' | WY |
| 13 | Fremont Peak | 13,754' | 12,581' | 1,173' | WY |
| 14 | Gannett Peak | 13,811' | 6,732' | 7,079' | WY |
| 15 | Longs Peak | 14,259' | 11,312' | 2,947' | CO |
| 16 | Torreys Peak | 14,272' | 13,723' | 549' | CO |
| 17 | Grays Peak | 14,275' | 11,493' | 2,782' | CO |
| 18 | Lincoln, Mount | 14,293' | 10,433' | 3,860' | CO |
| 19 | Massive, Mount | 14,427' | 12,444' | 1,983' | CO |
| 20 | Elbert, Mount | 14,438' | 5,346' | 9,092' | CO |
| 21 | Whitney, Mount | 14,494' | 4,415' | 10,079' | CA |
Green = More Prominent Parent
Immediate Children:
| # | Child | Elevation | Prominence | State |
| 1 | Bald Butte | 5,484' | 354' | WY |
| 2 | Spoon Butte | 5,030' | 320' | WY |
| 3 | Chimney Rock | 5,009' | 64' | WY |
| 4 | Lone Sand Hill | 4,936' | 141' | WY |
| 5 | Little Tetons | 4,916' | 66' | WY |
| 6 | Tea Kettle Rock | 4,756' | 246' | WY |
| 7 | Eagle Rock | 4,610' | 60' | WY |
| 8 | Indian River Hill | 4,510' | 120' | WY |
| 9 | Ninemile Hill | 4,470' | 40' | WY |
| 10 | Coyote Hill | 4,430' | 80' | WY |
| 11 | 5076 | 5,076' | 426' | NE |
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