Historic Preservation | Cahokia Mounds State Historic Site
30 Ramey Road, Collinsville, IL 62234
Eligibility
No Restrictions
Required documents
No Documentation Required
Hours
Wed-Sun - 9:00am to 5:00pm
618-346-5160
Voice·
Main
Languages
English
- Materials available with various languages
Application process
Call To Apply
- Come In Person For Service
Fees
Admission is free, donations are requested
Service area
- Kansas State
- Illinois State
- Missouri State
Largest prehistoric Indian site in the United States. Service includes Historic Preservation.
Last Assured
07/29/2025
What's Here
Providing organization
CAHOKIA MOUNDS STATE HISTORIC SITE
Largest prehistoric Indian site in the United States. Service includes Historic Preservation.