page_title: Mount Adams (Washington)
section_title: Summit area
hierarchical_section_title: Mount Adams (Washington) / Geography / Summit area
caption_attribution_description: English: Panoramic view from the true summit of Mount Adams, with the center of the photo looking due west. The Mount Adams fire lookout is visible, along with (from left to right) Mount Jefferson, Mount Hood, Mount St. Helens, Mount Rainier, Mount Baker, and Glacier Peak.
context_page_description: 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 Washington, after Mount Rainier.
  Adams, named for President John 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 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 above the Cascade crest. Its nearly flat summit was formed as a result of cone-building eruptions from separated vents. The Pacific Crest Trail traverses the western flank of the mountain.
context_section_description: Contrary to legend, the flatness of Adams' current summit area is not due to the loss of the volcano's peak. Instead it was formed as a result of cone-building eruptions from separated vents. A false summit, Pikers Peak, rises 11,657 feet (3,553 m) on the south side of the nearly half-mile (800 m) wide summit area. The true summit is about 600 feet (180 m) higher on the gently sloping north side. A small lava and scoria cone marks the highest point. Suksdorf Ridge is a long buttress descending from the false summit to an elevation of 8,000 feet (2,000 m). This structure was built by repeated lava flows in the late Pleistocene. The Pinnacle forms the northwest false summit and was created by erosion from the Adams and White Salmon glaciers. On the east side, The Castle is a low prominence at the top of Battlement Ridge. The summit crater is filled with snow and is open on its west rim.
caption: Panoramic view from the relatively flat summit area of Mount Adams, with the center of the image looking due west towards Mount St. Helens. Nine Cascade Volcanoes are visible (not including Adams itself). From left to right: Three Sisters complex, Mount Jefferson, Mount Hood, Mount St. Helens, Mount Rainier, Mount Baker, and Glacier Peak. The Olympic Mountains can be seen between St. Helens and Rainier, nearly 150 miles away.
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