Forest Road 3S47A is a sandy/dirt access road (4. 3 miles out-and-back) in O'Harrel Canyon that provides fishing access to the Upper Owens River, with multiple pulloff spurs along the route.

The road is rated easy (Technical Rating 1) and is accessible by high-clearance vehicles, though it has become uneven with washboard conditions due to heavy fishing traffic. Access is from Benton Crossing Road in Mono County.