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Mountains to Sound Greenway Scenic Byway

Byway Map

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Washington State Map

PDF maps fit to print on 8 1/2 X 11 paper

Logo for Mountains to Sound Byway

  National Scenic Byway
  Washington State Scenic Byway

  • 101 Miles
  • Between Thorp and Seattle's waterfront
  • On Interstate 90

About This Byway

The Mountains to Sound Greenway is a connected landscape of natural lands and vibrant communities along Interstate 90 between Seattle and Central Washington. The Greenway preserves a sustainable balance between urban and natural lands, and conserves a shared heritage of working farms and forests, parks, wilderness areas, wildlife habitat, history and recreational and educational opportunities.

Explore and Plan Your Trip

Plan a trip and find more information about the Mountains to Sound Scenic Byway, including pictures, maps, sample itineraries and services provided on this byway.

Nearby Scenic Byways

Historic Markers On Byway

Conditions on the Road

Traffic Conditions
WSDOT Traffic Cameras
Seattle Area Traffic
WSDOT Construction Project on I-90

Current Weather
Weather Forecast for Washington State

Mountain Passes
Snoqualmie Pass

Towns on the Byway

  • Seattle
  • Mercer Island
  • Issaquah
  • North Bend
  • Snoqualmie Pass
  • Easton
  • Cle Elum
  • Thorp
  • Roslyn