• 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.

Making a Reservation

Casa Grande Ruins National Monument enjoys hosting school groups. Please make your reservation at least three weeks in advance of your planned visit. You will need to know which dates you desire, how many students (not to exceed 50 total), and an estimated time of arrival (as near 9am as possible).

Reservations can be made in any of the following ways:

Phone: 520-723-3172 extension 111

Email: Education Group Coordinator

Mail: Casa Grande Ruins National Monument
Attn: Education Coordinator
1100 W. Ruins Dr.
Coolidge, AZ 85128

 
VIP Libby Weber and Students

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.