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Case Description
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Jonghyon Won, a 45-year-old resident of Los Angeles, California, disappeared on September 17, 2017, in Grand Canyon National Park, Arizona. At the time of his disappearance, Won was 5'07" tall, weighed 121 pounds, and had black hair and brown eyes. His case remains an unsolved mystery as there were no known plans for him to visit the area.

On the day he was last seen, Won's white Toyota Camry was discovered abandoned at Moran Point on the South Rim of the Grand Canyon. Prior to its disc ...Read More
Last Seen: Sep 17, 2017
Victim Details

Jan 24, 2026

Jan 24, 2026

Jonghyon

Won

45

45

5'7 inches

121 lbs

Asian

Male

Won lived in Los Angeles, California at the time of his  disappearance. On September 17, 2017, his White Toyota Camry was found parked at Moran Park on the South Rim of the Grand Canyon National Park. The vehicle had previously been sighted near the New Hance Trailhead. Won had no known plans to visit the Grand Canyon and an extensive search turned up no indication of his whereabouts. His case remains unsolved.

Sep 17, 2017

Grand Canyon National Park

Arizona

Grand Canyon National Par

6

National Park Service

888-653-0009

01/26/2026