Ruffled Feathers Golf Club is an 18-hole semi-private golf course in Lemont, Illinois, built in 1991 and designed by Pete & P. B. Dye. It sits in the $$$$ (splurge) price range for golf in Illinois. The season runs Apr 1 to Nov 1. Tee times can be booked 14 days in advance. Guests are welcome.
Details like fees and seasons change, so call the course before you head out.