Jonghyon Won Missing from Grand Canyon National Park, Arizona age 45

Case Description

Any updates on this case? Let us know!

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

Links to Additional Sources (5)

See any mistakes? Let us know!

National Park Service

The Cold Case of Jonghyun Won. : r/UnresolvedMysteries - Reddit

...View 3 additional sources

Victim Details

Created

Jan 24, 2026

Case Added

Jan 24, 2026

Firstname

Jonghyon

Lastname

Won

Current Age

45

Age At Disappearance

45

Height

5'7 inches

Weight

121 lbs

Ethnicity

Asian

Gender

Male

Notes

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.

Last Seen

Sep 17, 2017

City

Grand Canyon National Park

State

Arizona

Zip Code

Grand Canyon National Par

Vehicles

6

Agency Name

National Park Service

Agency Phone

888-653-0009

Last Updated

01/26/2026

Jonghyon Won
Missing

Case Description

Links to Additional Sources (5)

Victim Details

Forum Posts (0)

Other Missing Cases from Grand Canyon National Park, Arizona