Mount St. Helens National Volcanic Monument

National Monument · Amboy, Washington

A 110,000-acre monument managed by the US Forest Service, preserving the massive blast zone from the catastrophic 1980 volcanic eruption. Visitors can stare directly into the steaming crater from Johnston Ridge, explore the longest continuous lava tube in the continental US (Ape Cave), and witness the awe-inspiring return of nature to a completely devastated landscape.

42218 NE Yale Bridge Road, Amboy, Washington, 98601, United States

Monument open 24/7. High-elevation roads closed by snow Oct-June. Visitor Centers operate seasonally.

Official website

Mount St. Helens National Volcanic Monument on Spottos · Explore more places on Spottos