• From Alstrom Point you can see Gunsight Butte, Padre Bay, and Navajo Mountain

    Glen Canyon

    National Recreation Area AZ,UT

There are park alerts in effect.
show Alerts »
  • Launch at your own risk!

    The public is asked to use extreme caution when using the public launch ramps at Lake Powell. The decrease in water levels has reduced the depth of water in these areas, creating shallow water on the ramps with steep drop-offs. More »

  • Bullfrog Launch Ramp Construction

    Bullfrog Main lunch ramp is CLOSED for construction. All boats may use the temporary ramp located on the spit to launch and retrieve.

Fossils

 
Pliosaur Skull found in Glen Canyon

Pliosaur Skull Found in Glen Canyon

The story of life in Glen Canyon and Rainbow Bridge can be found written into the layers of rock around the park. It is a story with many chapters spanning back over 300 million years into the past. Some of the oldest layers in the park preserve the the "sail backs" of extinct early amphibians, while the youngest layers include Ice Age mammals such as mammoths and shrub oxen. This story is diverse, complicated, and extremely valuable to scientists.

The fossils found within Glen Canyon and Rainbow Bridge help us piece together the puzzle of ancient life in this area and around the world. Every find is significant and provides a connection to an ancient world that is long gone.

Removing fossils from Glen Canyon is illegal. If you find a fossil, please leave it in place and report it to a park ranger. Never make molds or castings, or apply anything to fossils and trackways. We encourage you to report any fossil finds you make in the park. You will receive full credit for any discoveries and may even have a new species named after you.

Please take a look at our "Fossils at Glen Canyon and Rainbow Bridge" video to learn more about the history of ancient life in the park.

Video: Fossils at Glen Canyon and Rainbow Bridge

Did You Know?

Your Heritage

Glen Canyon and Rainbow Bridge have a rich human history spanning over 10,000 years. Learn how you can help preserve it. More...