Mountains to Sound Greenway - I-90

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: Starting from Thorp, travel on 1-90 West to Seattle. The byway travels through towns of Cle Elum and Easton. Continue over Snoqualmie Pass into North Bend and through Snoqualmie and Issaquah. The byway also goes through Bellevue and Mercer Island before its final destination in Seattle.