The 9-hole Flagg Creek course at the Flagg Creek Golf Course facility in Countryside, Illinois features 2,492 yards of golf from the longest tees for a par of 33. The course rating is 63.8 and it has a slope rating of 104 on Bent grass. Designed by Greg Martin, the Flagg Creek golf course opened in 1993. Billy Rosinia manages the course as the General Manager/Golf Professional.