# | Name | Rank | Elevation | Prominence | Counties | Quadrangle |
1 | Lookout Mountain | 371 | 6,926' | 2,436' | Crook | Lookout Mountain |
2 | Round Mountain | 423 | 6,755' | 1,255' | Crook | Ochoco Butte |
3 | Calamity Butte | 439 | 6,695' | 1,395' | Harney | Calamity Butte |
4 | King Mountain | 446 | 6,678' | 1,098' | Harney | Telephone Butte |
5 | Black Mountain | 458 | 6,646' | 1,026' | Baker | Phillips Lake |
6 | Davis Mountain | 464 | 6,625' | 1,485' | Deschutes | Davis Mountain |
7 | Hamaker Mountain | 476 | 6,596' | 2,256' | Klamath | Hamaker Mountain |
8 | Jump-off Joe Mountain | 499 | 6,532' | 1,192' | Grant | Jumpoff Joe Mountain |
9 | Stukel Mountain | 503 | 6,525' | 2,055' | Klamath | Lost River |
10 | Lookout Rock | 6,508' | 71' | Lake | Gearhart Mountain | |
11 | Black Butte | 546 | 6,436' | 3,086' | Jefferson | Black Butte |
12 | 6380 | 578 | 6,380' | 360' | Baker | Big Lookout Mountain |
13 | Chase Mountain | 596 | 6,350' | 740' | Klamath | Hamaker Mountain |
14 | Sheepshead Mountains (HP) | 640 | 6,289' | 1,979' | Malheur | Ryegrass Butte |
15 | Lookout Mountain | 678 | 6,230' | 1,360' | Deschutes | Round Mountain |
16 | Royce Mountain | 746 | 6,148' | 1,338' | Klamath | Odell Lake |
17 | 6140 | 755 | 6,140' | 520' | Baker | Big Lookout Mountain |
18 | Parsnip Peak | 777 | 6,121' | 1,051' | Malheur | Parsnip Peak |
19 | Buckskin Mountain | 809 | 6,090' | 1,260' | Harney | Red Lookout Butte |
20 | Whitehorse Butte | 826 | 6,076' | 1,126' | Harney | Whitehorse Ranch |
21 | Flagstaff Butte | 858 | 6,029' | 1,059' | Harney | Trout Creek Canyon |