Mountains to Sound Greenway - I-90

Department of Transportation.

Drive east from Seattle on I-90 through pastoral valleys, lush forests and a dramatic mountain landscape. Visit historic towns and scenic spots for forest walks or challenging hikes. Cross the Cascades into a drier climate where coal mining built pioneer towns on the way to the Columbia River.


Getting to the Byway:

Vancouver, WA
* Take I-5 north to Seattle. * Merge onto I-90 east where the byway begins.

Navigating the Byway:

Additional Information

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