Cahokia Mounds State Historic Site

Cahokia Mounds State Historic Site is a public state park in Illinois near Collinsville in Saint Clair County County. Established in 1982, the park offers a peaceful retreat into nature for visitors of all ages.

Quick Facts

Location & Getting There

Cahokia Mounds State Historic Site is located near Collinsville, Illinois. The park’s coordinates are 38.652116, -90.0646706.

Explore More Illinois State Parks

Cahokia Mounds State Historic Site is one of many outstanding state parks in Illinois. Discover more parks in our Best State Parks in Illinois guide, or use our Park Finder to search by activity, location, or features.

Written by

State Parks Team

Editorial Team

The State Parks Team is a group of outdoor enthusiasts, researchers, and travel writers dedicated to showcasing America's state parks. Drawing on collective experience visiting parks in all 50 states, the team creates detailed guides, curated park lists, and practical tips to help visitors make the most of their state park adventures. Our mission: making America's state parks accessible and enjoyable for everyone.

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