| County | Name | Height feet / m | Source |
| Baker | Red Mountain | 9,560 / 2,914 | |
| Benton | Marys Peak | 4,101 / 1,250 | |
| Clackamas | Mount Hood | 11,249 / 3,429 | |
| Clatsop | Saddle Mountain | 3,288 / 1,002 | |
| Columbia | Long Mountain | 2,269 / 691 | |
| Coos | Mount Bolivar | 4,321 / 1,317 | |
| Crook | Lookout Mountain | 6,930 / 2,112 | |
| Curry | Brandy Peak | 5,302 / 1,616 | |
| Deschutes | South Sister | 10,363 / 3,159 | |
| Douglas | Mount Thielsen | 9,184 / 2,799 | |
| Gilliam | Gilliam County High Point | 4,289 / 1,307 | |
| Grant | Strawberry Mountain | 9,042 / 2,756 | |
| Harney | Steens Mountain | 9,738 / 2,968 | |
| Hood River | Mount Hood | 11,249 / 3,429 | |
| Jackson | Mount McLoughlin | 9,499 / 2,895 | |
| Jefferson | Mount Jefferson | 10,502 / 3,200 | |
| Josephine | Grayback Mountain | 7,059 / 2,152 | |
| Klamath | Mount Thielsen | 9,184 / 2,799 | |
| Lake | Crane Mountain | 8,451 / 2,576 | |
| Lane | South Sister | 10,363 / 3,159 | |
| Lincoln | Lincoln County High Point | 3,405 / 1,038 | |
| Linn | Mount Jefferson | 10,502 / 3,200 | |
| Malheur | Oregon Canyon Mountains Peak | 8,031 / 2,448 | |
| Morrow | Black Mountain | 5,936 ft / 1,809 | |
| Marion | Mount Jefferson | 9,005 / 2,744 | |
| Multnomah | Buck Peak | 4,755 / 1,449 | |
| Polk | Laurel Mountain | 3,592 / 1,095 | |
| Sherman | Sherman County High Point | 3004+ / 915+ | |
| Tillamook | Rogers Peak | 3,710 / 1,131 | |
| Umatilla | Tower Mountain | 6,855 / 2,089 | |
| Union | Eagle Cap | 9,577 / 2,920 | |
| Wallowa | Sacajawea Peak | 9,843 / 3,001 | |
| Wasco | Olallie Butte | 6,284 / 1,915 | |
| Washington | South Saddle Mountain | 3,465 / 1,056 | |
| Wheeler | Spanish Peak | 6,876 / 2,096 | |
| Yamhill | Trask Mountain | 3,426 / 1,044 | |