Grand Canyon National Park Enlargement Act

The Grand Canyon National Park Enlargement Act, approved in 1975, recognizes the entire Grand Canyon — from the mouth of the Paria River to the Grand Wash Cliffs — as a natural feature of national significance. Read the act ›

The Grand Canyon National Park Enlargement Act

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Related Resources

Dragon Bravo Fire Map showing the locations and burn perimeters of the White Sage and Dragon Bravo wildfires in 2025 near Grand Canyon National Park and Kaibab National Forest, with affected areas shaded in orange.

2025 Grand Canyon North Rim Fires Map

See a map of the areas the Dragon Bravo and White Sage fires burned on the north rim of the Grand Canyon in the summer of 2025, destroying the lodge and numerous other park buildings.
Advocate Magazine cover with image of red packraft on clear blue water in a cave in the Grand Canyon

2025 Fall Advocate

The fall 2025 edition of the Grand Canyon Trust’s Colorado Plateau Advocate magazine, including a deep dive into the Grand Canyon’s ancient groundwater.