• Sunset Crater Volcano National Monument

    Sunset Crater Volcano

    National Monument Arizona

Suggested Reading

The San Francisco Volcanic Field, Arizona
Link to a U.S. Geological Survey fact sheet explaining volcanic activity in northern Arizona. Color photos.

Did You Know?

Sunset Crater Volcano seen through trees

Hiking trails to the top of Sunset Crater Volcano were closed in 1973, because extensive erosion was damaging the cinder cone. Although tons of cinders were shoveled into the ruts, trail routes are still visible today.