
National Monument ยท Arizona
NPS Photo
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.






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.
| mon | tue | wed | thu | fri | sat | sun |
|---|---|---|---|---|---|---|
| 9:00AM - 4:00PM | 9:00AM - 4:00PM | 9:00AM - 4:00PM | 9:00AM - 4:00PM | 9:00AM - 4:00PM | 9:00AM - 4:00PM | 9:00AM - 4:00PM |
Casa Grande Ruins National Monument is free to enter.
Popular activities at Casa Grande Ruins National Monument include: Arts and Culture, Craft Demonstrations, Cultural Demonstrations, Live Music, Food, Picnicking, Guided Tours, Junior Ranger Program.
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.
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.
Free Admission
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.
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.
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