Mount St. Helens National Volcanic Monument & District
Address: 42218 N.E. Yale Bridge Rd. Amboy, WA 98601
Hours of Operation: Monday, Wednesday, and Friday, 9am - 4:00pm. (Closed Daily: 12:00 - 1pm). Closed: Tuesday and Thursday (Closed on federal holidays)
Office Phone: (360) 449-7800
Mailing Address: 42218 N.E. Yale Bridge Rd. Amboy, WA 98601
Additional Office Information
Directions:
Mount St. Helens Science and Learning Center at Coldwater: From Castle Rock, WA take State Route 504 east for 42 miles to the Science and Learning Center.
Johnston Ridge Observatory: From Castle Rock, WA take State Route 504 east for 52 miles to Johnston Ridge Observatory at the end of State Route 504. (CLOSED 2024)
Windy Ridge Interpretive Site: From Randle, WA travel south on State Route (SR) 131 until the road forks (1 mile). Stay to the right on State Route 131 which becomes Forest Road 25. Travel south on Forest Road 25 for 19 miles to Forest Road 99. Turn right on Forest Road 99 and drive 16 miles until it terminates at Windy Ridge.
MAP: Mount St. Helens National Volcanic Monument Vicinity Map (PDF)
Permit Info:
- Forest Product permits available Mondays & Fridays only
- Washington State Sno-Park Permits required at Trail of Two Forests, Cougar and Marble Mountain Sno-Parks Dec. 1 through March 31. Permits are NOT available on-site. Purchase on-line or find a vendor.
- Climbing Mount St. Helens requires a climbing permit year-round, and peak season permits from April 1 to October 31 are only purchasable online.
- Camping in the Mount Margaret Backcountry requires a backcountry permit.
Fees:
- $5/vehicle/day at developed recreation sites or valid pass. See Mount St. Helens Map for fee and payment sites.
- Johnston Ridge Observatory: $8 per person
Conditions:
Always make sure to check road conditions before your trip. View the list of key roads in the Mount St. Helens area and select the link to view current road conditions:
- West Side: State Route 504
- South Side: Forest Road 83, Forest Road 81, Forest Road 81-830
- East Side: Forest Road 25, Forest Road 99, Forest Road 26
Field Trip Reservations:
- Teachers Corner: Field trips to Mount St. Helens start here
More Information on Mount St. Helens and Areas to Explore:
- Recreation Region: Mount St. Helens National Volcanic Monument & Surrounding Area
- Check out the Volcano Review: A Visitors Guide to Mount St. Helens National Volcanic Monument.