Cahokia Mounds State Historic Site is located:

30 Ramey Street
Collinsville, IL 62234
tel: 618-346-5160

This Calendar of Events represents activities scheduled as of this date but it is continually being updated with additional events, programs and workshops.
There is no admission fee, although a donation of $7 for adults, $5 for seniors, $2 for children, and $15 for families is suggested. Our events and programs are free, unless otherwise noted. Workshops and classes require pre-registration and fees paid to the instructors. For more information, call 618-346-5160.

June 2015

June 1


Cahokia Mounds State Historic Site will be closed on Mondays and Tuesdays starting September 8th.

June 2


June 6

Nature/Culture Hike

3-mile hike through various ecozones with an archaeologist & a naturalist. Bring water and insect repellent and dress for the weather. 9:30am - 1:00pm. Cancelled in case of rain. Free.

June 18

Cahokia Archaeological Society Meeting

Come at 6:30 pm to help wash artifacts. Program and meeting, 7:30 pm.

June 21

Summer Solstice Sunrise Observance

Meet at the reconstructed Woodhenge. Arrive by 5:20 am. to hear an explanation of the discovery, form and function of this ancient post circle monument used as a calendar by the Mississippians. No ceremonies will be conducted. Free.