Best time to visit
Arrive within the first hour of opening for the shortest queues and best photo light.
Cahokia Mounds State Historic Site
Last reviewed June 2026 by James Morgan. AI-assisted, human-edited. Our editorial standards
About Cahokia Mounds State Historic Site
Walk among 72 earthen mounds of a pre-Columbian city that once rivaled London in size.
Cahokia Mounds protects around 2,200 acres of a pre-Columbian urban center, a National Historic Landmark and UNESCO World Heritage Site.
What you'll see and do - Explore 72 of the remaining earthen mounds built by a sophisticated Indigenous society - Climb Monks Mound for views over the ancient settlement - Pick up maps and brochures near the Monks Mound Parking Lot - Take in a landscape that, at its peak around 1100 AD, housed a population larger than London
Attraction Details
Facilities
- Toilets
- Gift Shop
- Baby Changing
- Food Options
- Parking
- Pushchair Friendly
- Wheelchair Friendly
Events at Cahokia Mounds State Historic Site
Annual Native American Holiday Market
November 25-27th
Held at the Gateway Convention Center in Collinsville, IL, this market features Native American goods.
2026 Photo Calendar Contest
April 1, 2026 - June 30, 2026
Calling all photographers to get photos featured and support Cahokia Mounds.
Nature-Culture Hike
June 6, 2026
Join Southern Illinois University Edwardsville (SIUE) Archaeology Professor, Julie Zimmermann, for a Spring Nature/Culture hike.
Purple Martin Talk
June 6, 2026
Meet at the nesters near the Interpretive Center south parking lot for a Q&A session.
Summer Solstice Observation
June 21, 2026
An annual Equinox/Solstice Sunrise Observance on the Sunday closest to the actual event.
City of the Sun 5K Trail Run
November 8, 2026
Participate in a 5K trail run through the historic site.
Plan Your Visit
Family-tested advice for a smoother day at Cahokia Mounds State Historic Site.
Who it's for
All ages
Getting there
Onsite or nearby parking available at 30 Ramey St.
Pro tip
Pack snacks, refillable water bottles and a portable charger to keep the day running smoothly.
Directions
Cahokia Mounds State Historic Site
30 Ramey St, Collinsville, IL 62234
This attraction has been claimed and verified.
Last updated 6/23/2026
Cahokia Mounds State Historic Site Reviews
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