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

    Casa Grande Ruins

    National Monument Arizona

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  • Visitor Center Rennovations

    Park is having major heating/cooling system work done. The Visitor Center is closed (we don't know how long-mid July?) but restrooms, movie auditorium, historic ruins area, and picnic area remain open (no fees or pass sales during rennovation)


Centennial Administrative History

Casa Grande Ruins Centennial History, 1892-1992.


Centennial History of Casa Grande Ruins National Monument: A comprehensive history of the first 100 years of the Monument from 1892 to 1992. (1.72 MB PDF file)


Casa Grande Ruins Foundation Statement: A planning and management document defining the monument's purpose, significance, primary interpretive themes, and fundamental resources and values. (1.96 MB .pdf file)


Casa Grande Ruins Superintendent's Compendium: The superintendent's orders (compendium) for Casa Grande Ruins National Monument regarding park closures, permit requirements, designations and other restrictions. (333k .pdf file)


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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.