• 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.

For More Than 650 Years the Casa Grande Has Stood as a Meeting Place and Landmark

Explore the mystery and complexity of an extended network of communities and irrigation canals. An Ancient Sonoran Desert People's farming community and "Great House" are preserved at Casa Grande Ruins. Whether the Casa Grande was a gathering place for the Desert People or simply a waypoint marker in an extensive system of canals and trading partners is but part of the mystique of the Ruins

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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.