Hummocks Trail

Mount Saint Helens National Volcanic Monument, Washington

Distance2.4mi
Elevation Gain1,150ft
Trailhead Elevation2,553ft
Top2,598ft
Elevation Min/Max2396/2598ft
Elevation Start/End2553/2553ft

Hummocks Trail

Hummocks Trail is a hiking trail in Cowlitz County, Washington. It is within Mount Saint Helens National Volcanic Monument. It is 2.4 miles long and begins at 2,553 feet altitude. Traveling the entire trail is 4.8 miles with a total elevation gain of 1,150 feet. Near the trailhead there is parking. Along the trail there is a bench. This trail connects with the following: Boundary Trail.

Hummocks Trail Professional Guides

Detailed Trail Descriptions from Our Guidebooks

Day Hiking: South Cascades (The Mountaineers Books)
Dan A. Nelson
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"The Hummocks are massive mounds of rock, ash, and mud that were piled unceremoniously around the floor of the new Coldwater Lake valley by the mighty blow. But these aren’t just piles of rubble. Some of the hummocks tower 500 feet into the air and cover a once-grand ancient forest." Read more
A FalconGuide to Mount St. Helens (Falcon Guides)
Fred Barstad
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"This is a relatively short and easy hike through the remains of the 1980 Debris Avalanche. You should have plenty of time to stop at the points of interest before reaching the trailhead or (better) on the way back. The entire Hummocks Loop wanders through the jumbled, mounded, and chaotic (hummocky) landscape of the remains of the Debris Avalanche deposited by the May 18, 1980, eruption of Mount St. Helens. The huge landslide swept the upper 1,300 feet of the peak into the valley of the North Fork Toutle River. Some of the rocks and other volcanic debris you see along the route may have been at 9,000-feet-plus elevation near the summit of this once much higher, symmetrical mountain. Roosevelt elk (Cervus elaphus roosevelti) are very common along this trail in spring; I saw more than a hundred of them when I hiked this trail in April. Coyotes (Canis latrans) can often be seen or at least heard, especially if you’re on an early-morning hike." Read more
Day Hiking Mount St. Helens (The Mountaineers Books)
Craig Romano and Aaron Theisen
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"Stroll through a series of steep-sided hills formed by debris avalanche deposits from the 1980 eruption. The Hummocks is a fascinating landscape of towering and colorful gravel mounds and lush wildlife-rich pocket ponds. What was once an unbroken old-growth forest is now a plain of jumbled rock and ash deposits up to 500 feet high, nascent wetlands, and pioneer forest." Read more

Hummocks Trail Reviews

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6/28/2010
Great views of Mt. St. Helens and Toutle River valley.
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7/4/2005
very easy loop, recommend clockwise (start by taking the trail towards the middle of the trailhead parking lot, not the one to the right). nice interpretative signs about geology and biology of hummocks. total time less than 1 hour.
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Trail Information

Mount Saint Helens National Volcanic Monument
Nearby City
Mount Saint Helens National Volcanic Monument
Parks
Kid-friendly
Accessibility
Moderate
Skill Level
Mount St. Helens National Volcanic Monument
Local Contacts
Green Trails Mt St. Helens 332S
Local Maps