• View of the Monument across the Snake River

    Hagerman Fossil Beds

    National Monument Idaho

Oregon Trail Reenactment Gallery

Did You Know?

Hagerman Valley as it appears today.

Lake Bonneville overflowed its rim about 15,000 years ago in southeastern Idaho near the present day city of Pocatello. The Snake River cut down through the ancient flood plain sediments and deepened and widened the Hagerman valley.