Annual Special Event
Winter Solstice Sunrise Observance
Sunday, December 22, 2019
Cahokia Mounds State
Historic Site, 130 Ramey Street, (off Collinsville Road),
Sunday, December 22, 2018
Arrive by 7 am
Observe the winter solstice 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