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Lewis and Clark Trail Scenic Byway

Byway Map

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  Washington State Scenic Byway

  • 572 Miles
  • Between Clarkston on the Idaho border and Cape Disappointment on the Pacific Coast
  • On portions of US Route 12, State Route 124, US Route 395, State Route 14, Interstate 5, State Route 4, and State Route 103 along the Southern border of Washington State

About This Byway

Lewis and Clark's adventure along the Columbia River was among the most vivid, and compelling episodes of the entire journey. With the assistance of the Native American tribes they encountered, the expedition successfully navigated the Columbia and Snake Rivers. The Expedition first saw the Pacific Ocean near present day Chinook. After completing their mission, members took a historic vote selecting the location of their winter camp.

Explore and Plan Your Trip

Plan a trip and find more information about the Lewis and Clark Trail 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

State Traffic Cameras

Current State Weather
Weather Forecast for Washington State

Mountain Passes
No passes on this route
Satus Pass is near, on US 97 just north of SR 14

Towns on the Byway

  • Long Beach
  • Ilwaco
  • Seaview
  • Chinook
  • McGowan
  • Knappton
  • Naselle
  • Rosburg
  • Grays River
  • Skamokawa
  • Cathlamet
  • Longview/Kelso
  • Kalama
  • Woodland
  • Ridgefield
  • Vancouver
  • Camas
  • Washougal
  • Mount Pleasant
  • Skamania
  • North Bonneville
  • Stevenson
  • Carson
  • Home Valley
  • Cook
  • Hood
  • White Salmon
  • Bingen
  • Lyle
  • Murdock
  • Wishram
  • Maryhill
  • Roosevelt
  • Alderdale
  • Paterson
  • Tri-Cities
  • Ainsworth
  • Wallula
  • Touchet
  • Lowden
  • Walla Walla
  • Precott
  • Waitsburg
  • Dayton
  • Tucannon
  • Pomeroy
  • Pataha
  • Alpowa
  • Clarkston
  • Richland
  • Pasco
  • Kennewick
  • Ocean Park
  • Oysterville
  • Nahcotta
  • Klipsan Beach