Cahokia Mounds State Historic Site loop

The Komoot data suggests this loop typically takes around 2 hours and 3 minutes to complete, though your pace and time spent exploring the mounds will influence this.

Komoot rates this loop as 'moderate'. While much of the terrain consists of relatively flat singletrack paths and mowed grass trails through open fields, the main challenge comes from climbing Monks Mound. This involves ascending 150 steps to reach its summit, which is the most significant elevation gain on the route.

Parking is available at the Monks' Mound parking area. Be aware that as of 2025, some sections south of Collinsville Road were closed due to renovations, making it unsafe to cross from this parking area to certain parts of the site. Always check local signage for the most current access information.

This loop takes you through a historically rich landscape. You'll encounter significant features like Monks Mound, the largest prehistoric earthen structure in the Americas, offering expansive views from its top. Other highlights include Mound 72, a Small Pond, and reconstructed elements like Woodhenge and sections of the Stockade Wall. The trail also passes through the vast Grand Plaza and near the Twin Mounds.

Yes, dogs are generally permitted on the trails at Cahokia Mounds State Historic Site, provided they are kept on a leash. Please remember to clean up after your pet.

No, there are no permits or entrance fees required to access the grounds and trails at Cahokia Mounds State Historic Site. The grounds are typically open from dawn to dusk.

Spring and fall generally offer the most pleasant hiking conditions with milder temperatures and fewer insects. Summer can be hot and humid, while winter can be cold with potential for snow or ice. Visiting during the shoulder seasons allows for comfortable exploration of the open fields and mounds.

Absolutely! The summit of Monks Mound provides the most impressive viewpoint. From its top, you can enjoy expansive panoramic views of the entire site, and on a clear day, even see the St. Louis skyline in the distance.

Yes, the route incorporates sections of several local paths. You will hike along parts of Catherine Street, Park Drive, and Major Street as you complete the loop.

Yes, the generally flat terrain and historical significance make this a great family-friendly option. While climbing Monks Mound involves 150 steps, many other sections are easy mowed grass or paved paths. It's an excellent educational experience for all ages.

While the Interpretive Center was undergoing major renovations and was closed as of 2025, the grounds remain open. It's advisable to bring your own water and snacks, as on-site amenities might be limited depending on the status of renovations. Always check the official site for current visitor information.