Ravinia Green Country Club is an 18-hole private golf course in Deerfield, Illinois, built in 1962 and designed by Larry Packard. It sits in the $$$ (premium) price range for golf in Illinois. The season runs Feb 1 to Dec 20 (closed on Mondays). Tee times can be booked 7 days in advance. Play is generally limited to members and their guests.
Details like fees and seasons change, so call the course before you head out.