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Casa Grande Ruins National Monument

courtesy of the National Park Service

Contact Information:
1100 Ruins Drive
Coolidge, AZ 85228


Size: 2,163 acres

Location: In Coolidge, Arizona, about an hour southeast of Phoenix. From I-10, take Coolidge exits and follow signs to park entrance off AZ 87/287. 

Description: The nation's first archeological preserve protects the Casa Grande (Big House), one of the largest and most mysterious prehistoric structures ever built in North America. This multi-storied, earthen-walled structure surrounded by the remains of smaller buildings and a compound wall was constructed by the Hohokam, who farmed the Gila Valley in the early 1200s. Casa Grande was abandoned by the mid-1400s.

courtesy of the National Park Service

Activities: Allow about an hour to visit the ruins. There are regularly scheduled guided tours from January through April. Advance-requested guided tours are provided for school and tour groups during the rest of the year depending on staff availability.

Operating Hours: Open all year from 8:00 a.m. to 5:00 p.m.; closed December 25.

: Authorized as Casa Grande Ruin Reservation on March 2, 1889; redesignated by proclamation on August 3, 1918. 

See other National Monuments
See other Arizona National Parks


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