News Release

Casa Grande Ruins to Begin Extended Seasonal Hours October 1

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Date: September 18, 2019
Contact: Dave Carney, 520-723-3172

COOLIDGE, AZ – As the heat of summer begins to subside in the Southern Arizona forecast, Casa Grande Ruins National Monument will resume extended operating hours of 9 am until 5 pm on October 1 through the months that the monument receives higher visitation. Casa Grande Ruins National Monument will resume reduced seasonal hours of 9 am until 4 pm on May 1, 2020 as the temperatures begin to climb and visitation slows.

Casa Grande Ruins National Monument experiences it's highest visitation between the October 1 and April 30 each year, and during that time, the monument maintains extended hours from 9 am until 5 pm.  However, summer brings temperatures exceeding 100 degrees Fahrenheit and visitation decreases dramatically, with the monument hours reduced to 9 am until 4 pm between May 1 and September 30. Throughout the year, the monument is opened daily except for the holidays of Thanksgiving, Christmas, and Independence Day.  

Casa Grande Ruins National Monument protects the multi-story Great House and the ruins of other ancient structures built by the people of the Sonoran Desert over 800 years ago. Directions and additional information are available on the monument’s website,, you may call (520) 723-3172, or follow us on Facebook by searching for Casa Grande Ruins National Monument.




Last updated: September 22, 2019

Contact the Park

Mailing Address:

1100 W. Ruins Drive
Coolidge, AZ 85128


(520) 723-3172
General park contact number includes a phone tree for finding the employee you wish to contact. Callers may dial zero for the phone attendant. Voicemail is available for many of the extensions.

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