The 18-hole 18 Hole at Galloping Hill Golf Course in Union, NJ is a public golf course that opened in 1929. Designed by Willard Wilkinson, 18 Hole at Galloping Hill Golf Course measures 6160 yards from the longest tees and has a slope rating of 115 and a 68.5 USGA rating. The course features 3 sets of tees for different skill levels.