| # | Name | Rank | Elevation | Prominence | Counties | Quadrangle |
| 1 | "Mailbox Peak" | 4,841' | 141' | King | Chester Morse Lake | |
| 2 | Teneriffe, Mount | 2761 | 4,788' | 648' | King | Mount Si |
| 3 | Washington, Mount | 3135 | 4,420' | 320' | King | Chester Morse Lake |
| 4 | Rose, Mount | 3232 | 4,301' | 401' | Mason | Mount Skokomish |
| 5 | Natapoc Mountain | 3306 | 4,219' | 2,125' | Chelan | Winton |
| 6 | Si, Mount | 3318 | 4,196' | 308' | King | Mount Si |