We now know that Beacon Rock was a cinder cone volcano that grew here inside of the gorge 57,000 years ago during the Ice Age. And yet, when you climb to the top of Beacon Rock, there are no ...

Cinder cones are the smallest and simplest type of volcano. But that doesn't mean they can't pack a punch. Best described as steep, conical hills, cinder cones are formed by pyroclastic rock ...

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 ...