• Jasper Forest is magical in twilight, particularly the logs on stone pedestals

    Petrified Forest

    National Park Arizona

Geology Gallery

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NPS
 
There are two main geological layers in Petrified Forest National Park, the Mio/Pliocene Bidahochi Formation and the Late Triassic Chinle Formation. These formations are further separated into members,
 

Did You Know?

badlands landscape at Jasper Forest

On clear days in the Southwest, especially on crisp, cold winter days, you can see landscape features almost 100 miles away!