The Slickrock Trail, located near Moab, Utah (U.S.A.), is a popular mountain biking destination with worldwide fame. This 13-mile (20.9 km) loop takes intrepid riders over a landscape of "petrified" sand dunes and the eroded remnants of ancient sea beds. The Slickrock Trail is one of the more difficult rides in the Moab area, both technically and cardiovascularly, and is not suitable for novice riders.