The 18-hole "Twin Oaks" course at the Twin Oaks Golf Course facility in San Marcos, California features 6,535 yards of golf from the longest tees for a par of 72. The course rating is 71.9 and it has a slope rating of 130 on Bermuda grass. Designed by Ted Robinson, ASGCA, the Twin Oaks golf course opened in 1993. JC Resorts manages this facility, with Bryon Penfield, PGA as the General Manager.