The 18-hole “Black Rock Creek” course at the Black Rock Creek Golf Course facility in Sunnyside, Washington features 6,664 yards of golf from the longest tees for a par of 72. The course rating is 70.2 and it has a slope rating of 112 on Blue grass. Designed by (R) Kelly Bowen, the Black Rock Creek golf course opened in 1947. Scott Galbraith manages the course as the Golf Professional.