• The Great House at Casa Grande Ruins stands out for miles

    Casa Grande Ruins

    National Monument Arizona

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  • Visitor Center Update

    The Visitor Center is OPEN! Major heating/cooling system work is done. Fees are being collected and passes are available.

Nature & Science

The Sonoran Desert seems a hostile and unhospitable place, yet there are plenty of people, animals, and plants that call this area home. It may take a keen eye and a patient ear but you can generally find a thriving community wherever you search. We welcome you to share your photographs and stories of desert wildlife here at Casa Grande Ruins. Use the Contact Us link.

 
The desert seems featureless and empty
The Sonoran Desert is sometimes barren looking but just add water and WOW
NPS

Did You Know?

The 'Big House' at Casa Grande Ruins circa 1900.

An estimated six million pounds of caliche were used in the construction of the Casa Grande. Caliche is a naturally occurring soil consisting of clay, sand and calcium carbonate found in the deserts of the southwest.