Contact Us

Cahokia Mounds State Historic Site is located:

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

Site Staff & General Information

tel: 618-346-5160

Museum Society

tel: 618-344-7316

Gift Shop

tel: 618-344-9221

Site Fax

tel: 618-346-5162
 

Group Scheduling

tel: 618-398-5995