Glen Oak Country Club is a private golf course in Glen Ellyn, Illinois that was established in 1911. The 18 hole course plays 6,503 yards and par 72 with a 72.1 rating. The course features relatively small greens protected by bunkers with open fairways; it is especially notable for the extensive treeline on most holes. Danny Mulhearn is the head golf professional. The course also has a pool area for member use.