Geology and Ecology of National Parks

Grand Canyon National Park

Grand Canyon National Park follows the Colorado River through Arizona. The geology of the park is on full display as the river continues to cut through layers of geologic time. Follow the links below to learn more about the Geology and Ecology of Grand Canyon National Park. On the right are a list of links to other USGS and NPS materials.

Map of Grand Canyon National Park

Map of Grand Canyon National Park (NPS)

(Public domain.)