Lava Canyon Falls

Lava Canyon Falls was discovered after the 1980 eruption of Mount St. Helens, from which a lahar and flood scoured out a canyon that had been filled with dirt and mud for 1,800 years. The Muddy River's course was redirected to that canyon as a result of the lahar and the floods, and it drops 1,400 feet (430 meters) in 2 miles (3.2 km). Lava Canyon Falls is the largest, 200-foot sheer drop.

On the southeast side of Mount St. Helens National Volcanic Monument at 46°10′12″N 122°04′57″W / 46.1701°N 122.0826°W / 46.1701; -122.0826, at 2,440 feet.

• "Northwest Waterfall Survey". Northwest Waterfall Survey. June 7, 2020. Retrieved April 23, 2023.
• "Lava Canyon Falls". Archived from the original on October 11, 2008. Retrieved August 20, 2023.
• "Recreational Opportunities in Gifford Pinchot National Forest". Archived from the original on December 4, 2005. Retrieved August 20, 2023.

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