A Warm Day Friday with Light Winds
Expect breezy southwest winds this weekend as a cold front moves north of the Grand Canyon region. Maximum temperatures cool to seasonal normals from Sunday through Wednesday. More »
Bat Tests Positive for Rabies in Grand Canyon National Park
Public Health Alert, October 2014: A bat recently removed from an area along the Colorado River within Grand Canyon National Park has tested positive for rabies. Any persons having physical contact with bats in the park, please follow this link. More »
River Trip Orientation Video - Chapter 5
Did You Know?
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.