Asahel Curtis

Loup Loup Pass on SR 20

Dodson Road

Vantage

Coulee Dam West

Waterville

Quincy Rest Area

Horse Heaven

Stevens Pass

Sherman Pass

Blewett Pass

Sellards Road on SR 221

South Umtanum @ I-82

Chelan

Bullfrog

SB I-405 N.E. 195th

Outlook

Nisqually on I-5 @ MP 116

Laurier

Blaine @ SR 543 MP 0

Satus Pass

White Pass Summit

SB I-5 144th

Seibert Creek Bridge

Lake Samish Park and Ride

Rock Candy Mountain

SMITH ISLAND

TATOOSH ISLAND

DESTRUCTION IS

LEWISTON LEWISTON-NEZ PERCE COUNTY AIRPORT

MEACHAM MEACHAM

Maryhill

CHEHALIS AIRPORT

KELSO-LONGVIEW AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

LA GRANDE AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

FAIRCHILD AIR FORCE BASE

COEUR DALENE AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

ASTORIA ASTORIA REGIONAL AIRPORT

ARLINGTON MUNICIPAL

BREMERTON NATIONAL AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

KM Mountain

PENDLETON EASTERN OREGON REGIONAL AT PENDLETON AIRPORT

PORTLAND PORTLAND INTERNATIONAL AIRPORT

PULLMAN / MOSCOW PULLMAN / MOSCOW REGIONAL AIRPORT

AURORA AURORA STATE AIRPORT

QUILLAYUTE QUILLAYUTE STATE AIRPORT

THE DALLES THE DALLES MUNICIPAL AIRPORT

HOQUIAM BOWERMAN AIRPORT

WALLA WALLA WALLA WALLA REGIONAL AIRPORT

ELLENSBURG ELLENSBURG BOWERS FIELD

PORTLAND PORTLAND-HILLSBORO AIRPORT

DEER PARK DEER PARK AIRPORT

MCMINNVILLE MCMINNVILLE MUNICIPAL AIRPORT

TILLAMOOK AIRPORT

THUN FIELD

BUOY COLUMBIA RIVER BAR

Blue Lake @ SR 17 MP 90.3

Aeneas Valley Rd

Cape Horn

Heckelville Shed

Delaney

CAPE ELIZABETH BUOY

RATTLESNAKE MTN