Casa Grande Ruins National Monument

Hours
See this week's hours below.
- Entrance fee
- The Park Service lists no entrance fee for this site.
- Phone
- 5207233172
- Address
- 1100 W. Ruins Drive, Coolidge, AZ 85128
About Casa Grande Ruins
An Ancestral Sonoran Desert People's farming community and "Great House" are preserved at Casa Grande Ruins. Whether a gathering place for people or simply a waypoint marker in an extensive system of canals and trading partners, the structures are a large part of the story of this site. Explore the history and stories of an extended network of communities and irrigation canals.
Hours
Operating Hours
The monument is open 7 days a week, with the exception of being closed Juneteenth, Independence Day, Thanksgiving, and Christmas. The gate closes 15 minutes prior to closing, with access for exiting the park still available on the outgoing side.
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday | 9:00 AM to 4:00 PM |
| Sunday | 9:00 AM to 4:00 PM |
Changes to these hours
- Thanksgiving Day, Nov 26: Closed
- Christmas Day, Dec 25: Closed
- Juneteenth National Independence Day, Jun 19: Closed
- Independence Day, Jul 4: Closed
Getting there
Transportation is by private vehicle. The park is in Coolidge, Arizona, about an hour-long drive from either Phoenix or Tucson. From Interstate 10 take the Coolidge exits and follow the signs to the park entrance.
Weather
Summer daytime temperatures frequently exceed 100 degrees F. Winter temperatures range from the 60's to the 80's F. Spring and fall are warm and dry, with highs in the 80's and 90's F. During summer months, be prepared for hot temperatures. Protective clothing, hats, sunscreen and personal water containers are highly recommended. BE AWARE: Walls of dirt and debris, usually miles wide and thousands of feet high, are pushed across dry desert terrain by high winds, causing dust to engulf highways.
Things to do
Arts and Culture, Bookstore and Park Store, Craft Demonstrations, Cultural Demonstrations, Food, Guided Tours, Junior Ranger Program, Live Music, Museum Exhibits, Park Film, Picnicking, Shopping.
Source: National Park Service data feed, checked September 24, 2026. Hours shown are the Park Service's posted standard hours plus any date changes it lists. Official page for Casa Grande Ruins ↗