Spirit Lake Memorial Highway
Details
- DesignationForest Service Byway
- LocationWA
- Length52 miles
Statewide Byway Partners
Washington State Dept. of Transportation & State of WA Tourism
Scenic Washington

Overview
Known as the Spirit Lake Memorial Highway,
SR-504 is a 52-mile journey (one way in/one
way out) into the scene of the epic
destruction that Mount St. Helens caused
when it erupted on May 18, 1980.
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