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North Cascades Scenic Byway

Byway Map

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Washington State Map

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

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  Washington State Scenic Byway

  • 140 Miles
  • Between Sedro-Woolley and Twisp
  • On State Route 20

About This Byway

The route begins in the pastoral Skagit River valley and crosses the jagged glaciated peaks of the North Cascades Mountains. The highway traverses rock spires, hanging valleys, waterfalls and alpine glaciers, evoking the nickname "North American Alps," then skirts the emerald waters of Ross Lake before descending into Methow Valley’s high desert. Visitors enjoy remnants of the old west lifestyle and an abundance of outdoor recreation 

Explore and Plan Your Trip

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

Connected Scenic Byways

Historic Markers On Byway

Conditions on the Road

Traffic Conditions
WSDOT Traffic Cameras
WSDOT Projects on SR 20

Current Weather
Weather Forecast for Washington State

Mountain Passes
North Cascades Pass
Loup Loup Pass

Seasonal Closures
North Cascade Pass - Closed during winter

Towns and Points of Interest on the Byway

  • Methow
  • Twisp
  • Winthrop
  • Mazama
  • Diablo
  • Newhalem
  • Marblemount
  • Rockport
  • Van Horn
  • Concrete
  • Hamilton
  • Lyman