The 18-hole "Devil's Thumb" course at the Devil's Thumb Golf Course facility in Delta, Colorado features 6,878 yards of golf from the longest tees for a par of 72. The course rating is 72.6 and it has a slope rating of 126 on Bent grass. Designed by Richard M. Phelps, ASGCA, the Devil's Thumb golf course opened in 2001.