Length: 100.0 mi / 160.9 km
Time to Allow: 1.5 to 2 hours to drive the byway.

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.

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• Mountains to Sound Greenway - I-90 Overview
  

  Traveling the Mountains to Sound Greenway Scenic Byway is a unique journey. From the beautiful coastal city of Seattle through the magnificent...

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• Pacific Crest Trail
  

  It's a unique vacation that begins in a Mexican desert at its hottest and ends smack-dab in the middle of a Canadian winter, but those who travel...

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See all 4 Stories for Mountains to Sound Greenway - I-90

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• 1-Day Trip: Along the Greenway
  (Washington)

  Travel from Seattle to Thorp and experience everything the Mountains to Sound Greenway has to offer. [more]