During the summer (between Memorial Day and Labor Day holidays), tours are given seven days a week including holidays, from 9:00 a.m. – 4:00 p.m.
Contact the GRDA Tour Office at
918-782-4726 during the summer months for more information.
At other times, groups of ten or more can schedule a tour by contacting GRDA’s Mary Edmundson at 918-256-0860.
Tours require a lot of walking, several flights of stairs, and last about one hour.