• America's First

    Devils Tower

    National Monument Wyoming

There are park alerts in effect.
show Alerts »
  • Climbing closure

    There is a climbing closure in effect on the SW butress of the Tower. Ask for details at the Climbing Office.

For Teachers

Devils Tower National Monument Is Revising the Education Program

For more information, contact the Devils Tower Chief of Interpretation and Education call (307) 467-5283 x 224.

Did You Know?

Close up of phonolite

Devils Tower is made of phonolite porphyry. Phonolite refers to the ringing of the rock when a small slab is struck, and its ability to reflect sound. Porphyry refers to its texture, large crystals of feldspar embedded in a mass of smaller crystals.