Global Volcanism Program | Image GVP-03043

The dramatic summit pinnacle of Mount Washington is a central lava plug that caps a shield volcano. Mount Washington has been extensively dissected by glacial erosion, revealing the inner structure of the volcano. Fresh lava flows from cinder cones near North Sister volcano appear in the foreground of this view from the SE. Photo by Lee Siebert, 1995 (Smithsonian Institution).

The dramatic summit pinnacle of Mount Washington is a central lava plug that caps a shield volcano. Mount Washington has been extensively dissected by glacial erosion, revealing the inner structure of the volcano. Fresh lava flows from cinder cones near North Sister volcano appear in the foreground of this view from the SE.

Photo by Lee Siebert, 1995 (Smithsonian Institution).

Creative Commons Icon This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Washington