Wild Horse Rapids is a Class II rapid located at mile 3. 7-4. 9 in Westwater Canyon, serving as a warm-up section with several small rapids that showcase the canyon's unique Vishnu Schist geology. This rapid is part of the 17.

7-mile Westwater to Cisco run, which requires a permit and is typically run as an overnight trip with commercial outfitters or experienced paddlers.

The rapid's moderate difficulty makes it an accessible introduction to Westwater Canyon's whitewater before encountering the more challenging Class III-IV rapids downstream.