Stacy Ann Arras was 14 when she vanished on July 27, 1981, during a four-day horseback trip in Yosemite National Park. The group had arrived at Sunrise High Sierra Camp; after settling in, Stacy went to photograph a nearby lake. A 77-year-old man from the group accompanied her downhill, then sat to rest while Stacy continued on alone behind some trees and out of sight. When she failed to return the man and others searched but could not find her.

An extensive search covered roughly a five-mile area around Sunrise High Sierra Camp and Sunrise Lakes, with helicopters and dog teams and searches of lakes in case of drowning. The only item recovered was the lens from her camera near the treeline where she was last seen. Stacy was from Saratoga, California, 5 feet 5 inches tall, about 120 pounds, with blonde hair and blue eyes. She wore an off-white hooded windbreaker, a white jersey blouse, striped shorts and gray hiking boots, and carried binoculars and an Olympus camera.

No tracks or other clues were ever found. If anyone was at Sunrise High Sierra Camp that day or has information about Stacy’s movements, please come forward.