From the club website:

This Robert Trent Jones signature course has a course rating of 76.1 and a slope rating of 148. Jones changed the original course design in 1976-77 with modifications to holes 3, 4, 11, 15, and 18. Each hole has its own descriptive name to give golfers an idea of what to expect before they tee off. “Waterloo”, hole 13, is the signature hole of the Dunes Course. Famous worldwide, it is a legendary hole where Lake Singleton comes into play. “Waterloo” has received every accolade and award as one of the greatest golf holes in the world.