Interactive Map of Cahokia Mounds

One of the greatest cities of the world, Cahokia was larger than London was in AD 1250. Learn more about this city by exploring our interactive map.

Where is Cahokia Mounds?

Cahokia Mounds is located in Collinsville, Illinois off Interstates 55/70 and 255. Cahokia Mounds is just fifteen minutes east of St. Louis, Missouri.

Plan your Visit

Our Interpretation of the Cahokia site focuses on its uniqueness as an urban center, or a city.

Events at Cahokia


Mississippian Conference

The Mississippian Conference focuses on recent research at Mississippian sites in the Midwest. 8:30 am - 4:00 pm. Fee: $5.


Adult Flintknapping Class

A adult flintknapping class will be taught by Larry Kinsella from 12:00 pm - 4:00 pm. All safety equipment, flint, and instructions will be provided. Students may bring their own tools, if they wish. All participants are asked to wear long pants to prevent leg injury. Maximum class size 25. Preregistration required. Fee: $30, $5 off for Students (with valid ID) and CMMS members. For more information, call 618-346-5160.