Mountains to Sound Greenway - I-90 90

Mountains to Sound Greenway - I-90 is a National Scenic Byway in Washington. Within Washington it covers roughly 100 miles. The map below shows its route. Use “Plan a drive” to open it in the Road Sorties route planner — already routing along Mountains to Sound Greenway - I-90 with scenic roads turned on, ready to add your own stops.
This greenway follows Interstate 90 east from Seattle over Snoqualmie Pass and down to the Columbia River near Ellensburg, a corridor protected to keep forests and open space along a major highway. It passes Snoqualmie Falls, the forested western slopes of the Cascades, and the dry pine-and-sage country east of the crest. It is unusual among scenic byways for following an interstate.
- Snoqualmie Pass
- Snoqualmie Falls
- Cascade crossing
- Seattle to Ellensburg
- I-90
Designated for its scenic qualities
Plan a drive on Mountains to Sound Greenway - I-90 → Drive this route in Road SortiesTurn-by-turn on iPhone · App Store
Places to stop along Mountains to Sound Greenway - I-90
Pike Place Market
Seattle's waterfront public market since 1907: fish throwers, produce stalls, crafts, and the original Starbucks, at the greenway's western end.
WebsiteIssaquah Salmon Hatchery
A downtown Issaquah hatchery where chinook and coho salmon return up Issaquah Creek each fall, watched from a viewing window into the fish ladder.
WebsiteSnoqualmie Falls
A 268-foot waterfall a few miles off the interstate, seen from upper and lower viewing areas and lit at night.
WebsiteRoslyn
A former coal-mining town on the dry side of the pass, with a downtown that stood in for Alaska in the TV series Northern Exposure.
Website
Where to Stay along Mountains to Sound Greenway - I-90
7 campgrounds and RV parks sit within about 5 miles of Mountains to Sound Greenway - I-90.
Campsite, lodging, RV rental and membership links are affiliate links — booking through them may earn Road Sorties a small commission, at no extra cost to you. Recreation.gov links are not affiliate links.
Photos of Mountains to Sound Greenway - I-90




What is a National Scenic Byway?
National Scenic Byways are roads recognized at the federal level for at least one outstanding quality — scenic, natural, historic, cultural, archaeological or recreational — that gives travelers a reason to seek them out rather than just pass through.