Lava Canyon

Cougar, Washington 98616

Lava Canyon

Lava Canyon Professional Review and Guide

"There are two hike possibilities from the Lava Canyon Trailhead: a short loop past some of the best waterfalls at Mount St. Helens, and a difficult descent of the Muddy River Gorge, aka Lava Canyon. Whichever hike you choose, the first 0.3 mile is paved and barrier-free.

This lahar split near the present site of Lahar Viewpoint, with part of it racing down Pine Creek. The rest rushed down the Muddy River Gorge, aka Lava Canyon, removing all the vegetation as it went. Below the gorge the lahar continued down the Muddy River, smashing and carrying away almost everything in its path and depositing a large volume of logs into Swift Reservoir. This is not the first time a lahar has scoured the timber from Lava Canyon. Geologic evidence shows that this has happened before and in all likelihood will happen again."

Lava Canyon Reviews

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The road to this trail is currently closed approx 5 miles from the trailhead due to storm damage....maybe next year.

Lava Canyon Photos

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Trail Information

Nearby City
1,130 feet
Elevation Gain
Trail Type
Easy to Difficult
Skill Level
Day hike
June through October
2,840 feet
Trailhead Elevation
2,840 feet
Top Elevation
Mount St. Helens National Volcanic Monument; Gifford Pinchot National Forest
Local Contacts
USGS Smith Creek Butte
Local Maps

Activity Feed

Jul 2018