Casa Grande Ruins National Monument

eathern building under modern roof structure

The Great House at Casa Grande Ruins has existed for over 600 years.

earthern ruins including the Great House and other parts

A highlight of Compound A is the Great House but it is not the only earthern building to intrigue visitors.

earthern Great House with its roof among desert plants

The Great House at Casa Grande Ruins is a sentinel of the desert.

earthern Great House standing out in the Sonoran Desert plants

The Great House at Casa Grande may have been an orientation point for travelers and traders.

historic copper sign with Great House and saguaro flanking

The park's historic copper sign was relocated with roadway changes, and now sits near the visitor center.

child, adult female, adult male American Indian actors in costume making jewelry in movie shoot

In this scene from the park movie, actors demonstrate jewelry making as done in ancestral times.

Photos: National Park Service

About Casa Grande Ruins National Monument

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.

Quick Facts

State Arizona

Designation National Monument

State Code AZ

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…

Location & Map

Casa Grande Ruins National Monument is located in Arizona.

Get Directions

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.

Wednesday 9:00AM - 4:00PM

Monday 9:00AM - 4:00PM

Thursday 9:00AM - 4:00PM

Sunday 9:00AM - 4:00PM

Tuesday 9:00AM - 4:00PM

Friday 9:00AM - 4:00PM

Saturday 9:00AM - 4:00PM

Activities

Arts and Culture Craft Demonstrations Cultural Demonstrations Live Music Food Picnicking Guided Tours Junior Ranger Program Park Film Museum Exhibits Shopping Bookstore and Park Store

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.

View Official Directions

Contact & Address

Address 1100 W. Ruins Drive, Coolidge, AZ, 85128

Phone 5207233172

Email cagr_ranger_activities@nps.gov

Topics & Themes

Archeology Ruins Explorers and Expeditions Great Depression Music Native American Heritage Social Movements Conservation Movement Transportation Canals

Visitor Centers

Construction began in 1932 to create the current adobe visitor center. Funding was provided for only half of the open square building, final completion was…

Hours: From July 6 through September 22, 2025, the park visitor center will close each Sunday and Monday, with passport stamps, brochures, and Jr Ranger books available on the visitor center patio. The park itself remains open seven days a week, 9am to 4pm. The gate closes 15 minutes prior to closing time. There is no access to any areas of the park after the gate closes. At closing time, visitors need to exit all areas of the park.

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