Cahokia Mounds State Historic Site

Iconic St. LouisMuseums & Galleries


Site of the largest prehistoric Indian city north of Mexico. Interpretive center, Woodhenge solar calendar, special events. From I-55, exit 6 on IL Rte. 111. From I-255, exit 24.

30 Ramey St.
Collinsville, IL 62234

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827 Reviews | Write a Review
Interesting place!
Reviewed By Python574 September 2023

Cahokia Mounds is a site that you could easily drive by and never stop given that it's not super flashy and they're just mounds of earth. It is however a very interesting site to visit and there's a...

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Give it a try.
Reviewed By StripeyPraxis November 2023

Well worth the trip for history buffs. Signage on the trails was confusing as it was difficult to pinpoint their location on the printed map. Some trails marked on the map did not exist on the...

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Reviewed By Betty I October 2023

The Mounds were absolutely awesome. So glad we finally pulled over on one of our Mo-Fl trips. Would have loved to given this place a 5 star but currently the museum, gift shop and restrooms of main...

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Interpretive Center: Thursday – Sunday, 9 a.m. – 5 p.m. Grounds open daily from dawn till dusk.

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