• View of Grand Canyon National Park at sunset from the South Rim

    Grand Canyon

    National Park Arizona

There are park alerts in effect.
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  • From Monday Through Thursday, Warmer and Drier Weather Is Expected

    Monsoonal weather patterns have moved into the Grand Canyon area decreasing fire danger. As a result, on Tuesday, July 8 at 8 a.m. fire managers lifted fire restrictions within Grand Canyon National Park. More »

  • Two Bats Collected in the Park Have Tested Positive for Rabies

    One on the North Kaibab Trail and the other at Tusayan Ruin/Museum. Rabies can be prevented if appropriate medical care is given following an exposure. Any persons having physical contact with bats in Grand Canyon National Park, please follow this link. More »

Colorado River Management

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Colorado River Management Plan Documents

Colorado River Management Plan (2006)

CRMP Research, Monitoring, and Mitigation Program

Did You Know?

GRAND CANYON TRILOBITE

The Cambrian seas of the Grand Canyon were home to several kinds of trilobite, whose closest living relative is the modern horsehoe crab. They left their fossil record in the mud of the Bright Angel Shale over 500 million years ago.