Hillmoor Country Club is an 18-hole semi-private golf course in Lake Geneva, Wisconsin, built in 1924. It sits in the $$ (moderate) price range for golf in Wisconsin. The season runs Mar 1 to Dec 1 (closed on Mondays). Tee times can be booked 5 days in advance. Guests are welcome.
Details like fees and seasons change, so call the course before you head out.