Let's do the 11am tour (so we don't have to get up TOO early lol) So I suggest we meet at 10:45am to get the Group Together beforehand.
Free Saturday Tours Throughout the Year.
Yerkes Observatory is open for free public tours every Saturday throughout the year. Programs begin at 10:00 a.m., 11:00 a.m., and Noon. The guided portion of the program begins at 10:15 a.m., 11:15 a.m., and 12:15 p.m. and last about forty-five minutes. We don't take reservations. While there is no charge, we appreciate a suggested donation of five dollars per person.
"If there are more than fifteen in your group, please consider making arrangements for a private program at some other time. If you wish to do so, please call[masked], extension 880."