Yosemite, CA…Please email YOSE_Desk_Officer@nps.gov or call Yosemite National Park Dispatch at 209-379-1992 if: You may have seen Mr. Klemenok, You were hiking off trail in the area of Upper Chilnualna Fall on or after July 2, 2023, Simply knowing where you went and when you were there may help us focus the search, whether you saw anyone or not.

Hayden was wearing the clothing pictured in the first photo: tan, brimmed hat, white sunglasses, red t-shirt, blue swimming trunks, and white Adidas shoes.

Hayden was backpacking with a group at Upper Chilnualna Fall on July 2, 2023. At approximately 2 pm, he entered Chilnualna Creek near the trail junction, and his whereabouts are currently unknown.