Imagine standing at the rim of a vast caldera, the earth beneath your feet formed by unimaginable forces millions of years ...

Sunset Crater and its surrounding volcanoes are excellent examples of a type of volcano called a "cinder cone." Cinder cone volcanoes tend to be steep but short conical peaks produced by a single ...

If you can stay longer, climb Cinder Cone, an outstanding example of the results of volcanism, and, if you have the stamina for a more demanding trek, try Lassen Peak. Four types of volcanoes ...