The 9-hole "Greenbrier" course at the Greenbriar Golf Club At Whittingham facility in Monroe, New Jersey features 3,135 yards of golf from the longest tees for a par of 36. The course rating is 35.0 and it has a slope rating of 123. Designed by Thomas E. Clark, ASGCA, the Greenbrier golf course opened in 1996. Kevin Darlington, PGA manages the course as the Golf Professional.