Location 30 Ramey StreetCollinsvilleIL62234 Next Event Nature/Culture Hike - 06/03/2023 - 9:00 am - 1:00 pm Loading Map.... Cahokia Mounds State Historic Site30 Ramey Street - CollinsvilleEvents 38.6548533 -90.05927729999996 Upcoming Events Nature/Culture Hike - 06/03/2023 - 9:00 am - 1:00 pmNature/Culture Hike - 10/14/2023 - 1:00 pm - 4:00 pm2023 City of the Sun 5k Trail Run - 11/11/2023 - 9:00 am - 12:30 pm