The Dwight D. Eisenhower Visitors' Center, located at the U. S. Eisenhower Lock, opened on Friday, May 27, 2016 and will remain open daily, including weekends, through Labor Day, September 5, 2016. The Visitors' Center hours of operation are from 9:00 a.m. to 9:00 p.m. and it is free to the public.