Cahokia Mounds State Historic Site is located in Collinsville, Illinois, USA.It lies between St. Louis and Fairview Heights, situated in southwestern Illinois, and is famous for its ancient Native American city and large earthen mounds.
Cahokia Mounds State Historic Site Location Map, Collinsville, Illinois
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Cahokia Mounds State Historic Site, Collinsville, Illinois
Cahokia Mounds State Historic Site is world-famous for its peaceful green spaces, lakes, walking paths, and iconic attractions including Bethesda Terrace, Bow Bridge, Belvedere Castle, Strawberry Fields, The Great Lawn, and the Cahokia Mounds State Historic Site Zoo
Top Attractions Inside Cahokia Mounds State Historic Site
- Monks Mound – Largest prehistoric earthwork in the Americas with a climbable summit.
- Interpretive Center – Exhibits and artifacts explaining Mississippian culture and ancient Cahokia.
- Woodhenge – Reconstructed solar calendar used by ancient inhabitants to track seasons.
- Grand Plaza – Vast open area once used for ceremonies, gatherings, and sports.
- Ramey Mound – Significant mound offering insight into Cahokia’s social and religious life.
- Trails and Overlooks – Walking paths connecting major mounds with scenic and educational stops.
- Archaeological Sites – Areas showcasing excavations and evidence of the ancient city’s layout.
- Monks Mound – 1 km (0.6 mi)
- Interpretive Center – 1 km (0.6 mi)
- St. Louis Gateway Arch – 13 km (8.1 mi)
- Downtown St. Louis – 14 km (8.7 mi)
- Busch Stadium – 15 km (9.3 mi)
- Enterprise Center – 16 km (10 mi)
- Mississippi River – 6 km (3.7 mi)
- Collinsville, IL – 10 km (6.2 mi)
- Fairmont City, IL – 3 km (1.9 mi)
- Granite City, IL – 8 km (5 mi)
- Gateway Geyser – 12 km (7.5 mi)
- St. Clair Square (Fairview Heights) – 20 km (12.4 mi)
- Scott Air Force Base – 30 km (18.6 mi)
- O'Fallon, IL – 24 km (15 mi)
- Edwardsville, IL – 22 km (13.7 mi)
- Horseshoe Lake State Park – 7 km (4.3 mi)
- St. Louis Zoo (Forest Park) – 22 km (13.7 mi)
- Museum of Westward Expansion – 13 km (8.1 mi)
- Illinois State Museum Research Center – 9 km (5.6 mi)
- World Wide Technology Raceway – 6 km (3.7 mi)
Top Attractions Inside Cahokia Mounds State Historic Site
Cahokia Mounds State Historic Site Facts
| Official Name | Cahokia Mounds State Historic Site |
| Location | Collinsville, Illinois, USA |
| Latitude & Longitude | 38.6592° N, 90.0629° W |
| Total Area | 2,200 acres (890 hectares) |
| Established | 1925 (as a protected archaeological site) |
| Managed By | Illinois Department of Natural Resources |
| Region | Southwestern Illinois / Greater St. Louis Metro Area |
| Address | 30 Ramey Street, Collinsville, IL 62234, USA |
| Zip Code | 62234 |
| Area Code | 618 |
| Currency | United States Dollar (USD, $) |
| Time Zone | Central Time (CT) — UTC−6 Standard / UTC−5 Daylight Saving |
| Historical Significance | Largest pre-Columbian city north of Mexico; Mississippian culture; home to Monks Mound and an advanced urban civilization (c. 1050–1350 CE) |
| Famous Features | Monks Mound – Woodhenge – Grand Plaza – Mound 72 – Interpretive Center |
| UNESCO Status | UNESCO World Heritage Site (since 1982) |
| Annual Visitors | Approx. 250,000–300,000 per year |
| Entry Fee | Free (Donations suggested for Interpretive Center) |
| Activities | Archaeological exhibits – Museum tours – Hiking trails – Cultural programs – Mound viewing |
| Best Time to Visit | April–June and September–October (Mild outdoor conditions) |
| Nearby Airport | St. Louis Lambert International Airport (STL) – 24 miles (39 km) |
| Official Website | https://cahokiamounds.org |
| National Status | U.S. National Historic Landmark; UNESCO World Heritage Site |
Distances from Cahokia Mounds State Historic Site to Nearby Landmarks
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