Annual Special Event
Fall Equinox Sunrise Observance
PROBABLE EVENT - DETAILS TBA
Cahokia Mounds State
Historic Site, 130 Ramey Street, (off Collinsville Road),
Sunday, September 23, 2018
Arrive by 6:35 am
Observe the fall equinox sunrise 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.
more information call