Operating Hours & Seasons

Casa Grande Ruins National Monument is open every day of the year from 9:00 a.m. to 5:00 p.m. except Thanksgiving Day and December 25th when we are closed. The park has an automated gate that will open a 9 am and close at 4:45 pm. Visitors will be able to exit the park after 4:45 pm but no new entry is expected as all visitors will leave the park, including parking lots, picnic area, visitor center, and historic area, at closing.

An afternoon view of the Casa Grande (Big House) from the southwest.
Afternoon view of the "Big House" from the southwest.

Jim Creager


Please Note: Casa Grande Ruins National Monument changed visitor hours to 9:00-5:00 beginning May 1, 2009. We apologize if you were relying on old materials or guidebooks, but we are not open and prepared for visitors until 9am.

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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