About
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
TripAdvisor Rating:
846 Reviews | Write a ReviewGreat stop on a road trip.
Reviewed By Mary B April 2026The welcome center was closed but very interesting stop on our road trip. Nice place to learn and walk around. Great view of St. Louis from the top of the largest mound.
Full ReviewLargest and Most Complex Pre-Colombian Archaeological Site North of Mexico
Reviewed By TravelingSoccerLoon November 2024This was the location of a great city consisting of 10-20,000 and was the political, economic and spiritual center of the Mississippian civilization which extended throughout the Mississippi Valley...
Full ReviewVery impressive. Short distance from the Gateway Arch and well worth the visit.
Reviewed By parksvisitor September 2025I started hearing about Cahokia Mounds ten years ago or so, and we finally swung a road trip to visit along with a stop at the Gateway Arch. The visitor center/museum was unfortunately closed for...
Full ReviewHours
Interpretive Center: Thursday – Sunday, 9 a.m. – 5 p.m. Grounds open daily from dawn till dusk.
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TripAdvisor Rating:
846 Reviews | Write a ReviewGreat stop on a road trip.
Reviewed By Mary B April 2026The welcome center was closed but very interesting stop on our road trip. Nice place to learn and walk around. Great view of St. Louis from the top of the largest mound.
Full ReviewLargest and Most Complex Pre-Colombian Archaeological Site North of Mexico
Reviewed By TravelingSoccerLoon November 2024This was the location of a great city consisting of 10-20,000 and was the political, economic and spiritual center of the Mississippian civilization which extended throughout the Mississippi Valley...
Full ReviewVery impressive. Short distance from the Gateway Arch and well worth the visit.
Reviewed By parksvisitor September 2025I started hearing about Cahokia Mounds ten years ago or so, and we finally swung a road trip to visit along with a stop at the Gateway Arch. The visitor center/museum was unfortunately closed for...
Full Review