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Mount Adams

Second Highest Mountain in Washington

“Pahto”, “Klickitat”

Stratovolcano in Cascade Range, Yakama Nation Reservation near Trout Lake, WA

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Mount Adams, known by some Native American tribes as Pahto or Klickitat, is a potentially active stratovolcano in the Cascade Range. Although Adams has not erupted in more than 1,000 years, it is not considered extinct. It is the second-highest mountain in the U.S. state of Washington, after Mount Rainier. Adams is a member of the Cascade Volcanic Arc, and is one of the arc's largest volcanoes, located in a remote wilderness approximately 34 miles (55 km) east of Mount St. Helens. The Mount Adams Wilderness consists of the upper and western part of the volcano's cone. The eastern side of the mountain is designated as part of the territory of the Yakama Nation. Adams' asymmetrical and broad body rises 1.5 miles (2.4 km) above the Cascade crest. Its nearly flat summit was formed as a result…

Classified As

Stratovolcano

Geologic Formation

Pleistocene-Recent volcanic rocks (WAQv;0)

Geologic Formation