| # | Name | Rank | Elevation | Prominence | Counties | Quadrangle |
| 1 | Sacajawea Peak | 6 | 9,844' | 6,392' | Wallowa | Eagle Cap |
| 2 | Matterhorn | 7 | 9,834' | 342' | Wallowa | Eagle Cap |
| 3 | Steens Mountain | 9 | 9,733' | 4,383' | Harney | Wildhorse Lake |
| 4 | Steens Mountain Wilderness HP | 9,730' | 230' | Harney | Wildhorse Lake | |
| 5 | Aneroid Mountain | 10 | 9,702' | 2,122' | Wallowa | Aneroid Mountain |
| 6 | Eagle Cap | 15 | 9,572' | 1,232' | Union | Eagle Cap |
| 7 | Red Mountain | 16 | 9,563' | 2,012' | Baker | Cornucopia |
| 8 | McLoughlin, Mount | 19 | 9,495' | 4,475' | Jackson | Mount McLoughlin |
| 9 | Thielsen, Mount | 34 | 9,182' | 3,362' | Douglas & Klamath | Mount Thielsen |
| 10 | Broken Top | 38 | 9,175' | 2,195' | Deschutes | Broken Top |
| 11 | Rock Creek Butte | 41 | 9,106' | 4,471' | Baker | Elkhorn Peak |
| 12 | Bachelor, Mount | 46 | 9,065' | 2,666' | Deschutes | Mount Bachelor |
| 13 | Strawberry Mountain | 47 | 9,060' | 4,110' | Grant | Strawberry Mountain |