Observe the summer solstice sunrise at Cahokia Mounds State Historic Site and learn of the discovery, form and function of an ancient post circle called Woodhenge that was used as a solar calendar by the Cahokians. No ceremony or ritual is presented. Woodhenge is located 1/2 mile west of Monks Mound and the main entrance to the site.
Time: Arrive by 5:20 am
Free
For more information call 618-346-5160
or visit the Cahokia Mounds website
