Ocmulgee National Monument preserves traces of over ten millennia of Southeastern Native American culture, including major earthworks built more than 1,000 years ago by the South Appalachian Mississippian culture a regional variation of the Mississippian culture.These include the Great Temple and other ceremonial mounds, a burial mound, and defensive trenches.
The large park encompasses 702 acres (2.84 km2), with 5½ miles (9 km) of walking trails. Near the visitor center is a reconstructed ceremonial earthlodge, based on a 1,000-year-old structure excavated by archeologists. Visitors can reach the Great Temple Mound via a half-mile walk or the park road. Other surviving prehistoric features in the park include a burial mound, platform mounds, and earthwork trenches.
The historic site of the English colonial Ocumulgee trading post is also part of the park. The visitor center includes a short orientation film for the monument site and a gift shop.The main section of Ocmulgee National Monument is accessible from U.S. Route 80, off Interstate 16 (which passes through the southwest edge of the monument land). It is open daily except Christmas Day and New Year's Day.