Casa Grande Ruins National Monument
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Casa Grande Ruins at a glance
- Best time
- March–May, October–November
- Trip length
- Half day–1 day
- Don't miss
- Main Casa Grande Ruins highlights — see Things to Do for current listings
- Nearby city
- Coolidge, AZ
Explore this park
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.
No current NPS alerts
The National Park Service has no active alerts listed for Casa Grande Ruins National Monument. Conditions change quickly — check again before you go.
Source: National Park Service (as of Oct 29, 2026). Official Casa Grande Ruins National Monument page on nps.gov
Weather Information
- Spring
and fall are warm and dry, with highs in the 80's and 90's F.
- Summer
Often above 100°F
- Winter
temperatures range from the 60's to the 80'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.
Operating 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.
- Monday9:00AM - 4:00PM
- Tuesday9:00AM - 4:00PM
- Wednesday9:00AM - 4:00PM
- Thursday9:00AM - 4:00PM
- Friday9:00AM - 4:00PM
- Saturday9:00AM - 4:00PM
- Sunday9:00AM - 4:00PM
Common questions
Planning Casa Grande Ruins National Monument
The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics.
Reservation rules vary by season and activity for Casa Grande Ruins. See Overview on this page for fees, timed entry, and campground details before you travel.
