Boulder Ridge Country Club is an 18-hole private golf course in Lake in the Hills, Illinois, built in 1989 and designed by Bob Lohmann. It sits in the $$$ (premium) price range for golf in Illinois. The season runs Apr 1 to Nov 15 (closed on Mondays). Play is generally limited to members and their guests.
Details like fees and seasons change, so call the course before you head out.