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.
Date of Last Formal Update
07/29/2025
Data provided by
United Way of Greater St Louis 211
What's Here
Providing organization
CAHOKIA MOUNDS STATE HISTORIC SITE
Largest prehistoric Indian site in the United States. Service includes Historic Preservation.