Mendenhall Glacier Visitor Center as seen on March 14, 2025. (Photo by Laurie Craig) The big stone hearth is the centerpiece of the visitor center’s glass-walled observatory.

The Mount St. Helens Visitor Center in Castle Rock will reopen on May 31. The center just finished its first major renovation since it opened in 1986. The project began in September 2024.

The Mount St. Helens Visitor Center at Silver Lake celebrated its reopening to the public May 31, 2025. It had been closed for 8 months to undergo renovations.

The Mount St. Helens visitor center is reopening its doors with the first major renovations since it opened in 1986. Starting on May 31, the center will be open daily from 9 a.m. to 5 p.m.

The center is located in Bldg. 69012 and can be reached at 254-287-9909. Visitors will undergo a background check and, if approved, may proceed to a gate or kiosk for pass issuance.

The Mount St. Helens Visitor Center in Castle Rock will re-open May 31 st. “Admission for children ages seven and under is free, for ages seven to 17 it costs $2.50, and adult admission costs $5 ...