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

    Grand Canyon

    National Park Arizona

Overflights - Noise Model Validation Study

Did You Know?

Exotic tamarisk impacting the Colorado River corridor

The impacts caused by tamarisk within the Grand Canyon are well documented. These prolific non-native shrubs displace native vegetation and animals, alter soil salinity, and increase fire frequency. What is park management doing about this exotic plant? More...