Lahar Viewpoint Interpretive Site

Area Status: Unreachable

The more open and stark volcanic landscape than the forest below offers outstanding views. See how the south side of Mount St. Helens was affected by the May 18, 1980, eruption and witness the resiliency of life in this mudflow-scoured landscape.

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At a Glance

Current Conditions: Forest Road 83 gated for the winter at Marble Mountain Sno-Park. Visitors may still access the site by foot, ski, or snowmobile.
Fees $5/vehicle/day
Usage: Light-Medium
Best Season: Summer
Busiest Season: Summer
Closest Towns: Cougar, WA
Water: No
Restroom: No
Passes: Recreation Passes may be used as a form of fee payment.
Operated By: Forest Service
Information Center: Mount St Helens National Volcanic Monument Headquarters & Visitor Centers

General Information


From Woodland, WA take State Route 503, becoming Forest Road 90, east to the well-signed junction with Forest Road 83. Lahar is 10.5 miles east of the junction of Forest Roads 83 and 90.


This site and trail are accessible and offer a wide variety of visitors access to outstanding views.

Recreation Map

Map showing recreational areas. Map Information


Nature Viewing

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Outdoor Learning

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Areas & Activities



  Latitude : 

  Longitude : 

  Elevation : 
2900 - 3200


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