Casa Grande Ruins National Monument
Arizona
Free entry
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.
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No entrance fee.
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.
Conditions
Weather now: ☀️ Clear, 96°F
☀️ 109°/71°
☁️ 108°/76°
⛅ 109°/82°
Visitor centers
Casa Grande Ruins National Monument
Not an official safety source — always defer to NPS.gov and rangers for life-safety decisions.
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