The Coulee Corridor Corridor covers parts of SR17, US2, SR 155 between Othello and Omak, Washington.  However, there are also several important spur and loop routes included covering  Connell, Warden, Mardon Resort, Ephrata, Wilson Creek, Almira, Hartline, and Omak Lake.  All told there 17 towns represented and numerous points inbetween which have fascinating places to explore, an assortment of unique recreational opportunities, geology and cultural events to experience. There are lots of activities going on in the represented counties of Adams, Douglas, Franklin, Grant, Lincoln, and Okanogan.  Everyone is encouraged to enjoy the sights and take part in ongoing activities.

Parts of State Highways 28, 170, 260,  262, 282,  395, make up portions of spur or loop routes.  Additional loops are being considered east of Connell and Warden.  Stay tuned for information on these developments.