Name: Mount St. Helens National Volcanic Monument

Street Address: 3029 Spirit Lake Hwy

City, State  Zip: Castle Rock, Washigton  98611

County: Cowlitz, Lewis, Skamania

Phone: (360) 449-7800

Website: https://www.fs.usda.gov/giffordpinchot

External Link: Mount St. Helens National Volcanic Monument

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