# | Name | Rank | Elevation | Prominence | Counties | Quadrangle |
1 | Beacon Rock | 5623 | 860' | 600' | Skamania | Beacon Rock |
2 | Green Mountain | 5644 | 804' | 394' | Clark | Lacamas Creek |
3 | Prune Hill | 5660 | 765' | 570' | Clark | Camas |
4 | Camano Island | 5731 | 598' | 598' | Island | Camano |
5 | Rosario Head | 83' | 53' | Skagit | Deception Pass |