Lava Canyon Interpretive Site

Area Status: Open
Picture of Lava Canyon Falls

Discover more about Mount St. Helens eruptive past in this much more stark, higher-elevation setting. Access Lava Canyon Trail #184 at this site. Travel along the trail and explore a mudflow-scoured canyon with views of a waterfall plunging over an ancient lava flow. Continue on the Lava Canyon Trail for more challenging hiking experiences with rewarding views.


Accessible Adventures Video featuring Lava Canyon Trail:

At a Glance

Current Conditions: 06/12/2024: The gate by Marble Mountain Sno*Park is now open, and the road is clear of snow up to Ape Canyon and Lahar Viewpoint. Snow may still be present on trails as well as any parking areas, so please use caution. The suspension bridge is still closed at this time. For more information, contact Mount St. Helens National Volcanic Monument at 360-449-7800.
Fees: $5/vehicle/day or valid Recreation Pass. See Mount St. Helens Map for fee and payment sites. Fee tube available at the site for cash or check payments.
Usage: Heavy
Best Season: Summer
Busiest Season: Summer
  • Please stay on the trail at all times. Fatalities have occurred when visitors wander off-trail.
  • Pets must be on leash at all times.
Closest Towns: Cougar, WA
Water: No
Restroom: Compost Toilet (1)
Passes: America the Beautiful or Northwest Forest Pass accepted.
Operated By: Forest Service
Information Center:

General Information


From Woodland, WA take State Route 503/Forest Road 90 east to the well-signed Forest Road 83 junction. Turn left on Forest Road 83 for 11 miles and follow to the end of Forest Road 83 at Lava Canyon Trailhead and Intepretive Site.


This site and trail are accessible and offer outstanding views.

Recreation Map

Map showing recreational areas. Map Information


Day Hiking

Viewing Scenery

Interpretive Areas


Related Information

Recreation Areas

Recreation Activities


  Latitude : 

  Longitude : 

  Elevation : 
2800' - 3000'