what county is chinook pass in?
Places. 1  Chinook, Montana. 2  Chinook, Washington, a census-designated place in Pacific County, Washington, United States. 3  Chinook Pass over the Cascades in Washington State.  Chinook Scenic Byway, a scenic highway over the Cascade Range in Washington 1  State. Chinook oilfield, a former name of Peregrino oilfield.