The 18-hole "The Duke at Rancho" course at the The Duke At Rancho El Dorado facility in Maricopa, Arizona features 7,011 yards of golf from the longest tees for a par of 72. The course rating is 72.4 and it has a slope rating of 120 on Bermuda grass. Designed by David Druzisky, the The Duke at Rancho golf course opened in 2003. Foothills Golf Group manages this facility, with Bryon Gribbons as the Director of Golf.