Washington, United States

North Cascades Highway (SR-20)

Most dramatic mountain highway in Washington State.

Sedro-Woolley → Winthrop

Distance
128 mi
Level
Medium
Type
Pass
Season
June - October

Highlights

  • Diablo Lake
  • Washington Pass
  • Rainy Pass

Must ride

★ 9.0/ 10

Risks

Changeable weatherLow temperatures off-seasonTrafficFatigue on long ridesWildlifeSummer heat

Fuel stops

Sedro-WoolleyWinthrop

Food stops

Diablo Lake
Map of the North Cascades Highway (SR-20) motorcycle route

Waypoints

  1. 1Sedro-Woolley
  2. 2Diablo Lake
  3. 3Winthrop
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