Casa Grande Ruins National Monument: Alerts, Map, Weather & Trailie Planner

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.

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

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

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.