But the park also contains several other notable examples of volcanic activity. One of its most notable features is the well-preserved Lava Butte cinder cone, which formed as an offshoot of ...

Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when low ...

takes you near the major volcanic features. Explore Bumpass Hell and other sites along the way. If you can stay longer, climb Cinder Cone, an outstanding example of the results of volcanism ...

For 25 million years, volcanos spewed molten rock and ash across New Mexico, forming craters, super volcanos, cinder cones, lava flows and peak-less mountains. Over time, these massive eruptions ...