When funding is available, excavations are conducted on the site. In 1975, the site was purchased by the State of Arkansas to become a state park and in 1978 was designated a National Historic Landmark. The picture below shows a cross-section of the mounds as they had been constructed. All access to the site is via regularly scheduled guided tours led by trained archeological interpreters. The interpretive center and tour route are handicapped accessible.
Group tours are available by advanced reservation.
The sites have various programs and exhibits which appeal to both the casual and professional visitor. More information on exhibits . More information on programs . Admission to the interpretive center is free or visitors can choose to tour the site for a small admission fee. U.S. Highway 165 on Arkansas Highway 386.