These tours last approximately one hour and visit various parts of the site; no reservations required. During June, July and August, tours are conducted Wednesday through Saturday at 10:30 a.m. and 1:30 p.m., and on Sunday at 12:30 and 2:30 p.m. The early tour visits the Stockade reconstruction and goes up Monks Mound. The later tour goes through the Grand Plaza to Twin Mounds and Mound 72. During April, May, September and October, public tours are conducted on Saturdays and Sundays at 1:30 p.m.