YOSEMITE NATIONAL PARK, California — Yosemite National Park officials need your help finding a missing hiker.
Hayden Klemenok was last seen backpacking with a group at Upper Chilnualna Fall on Sunday afternoon.
Park officials say he entered Chilnualna Creek near the trail junction at about 2 p.m., but has not been seen since.
He is last seen wearing a red shirt, blue bathing suit and white sneakers with a tan hat and sunglasses.
If you see it, contact the Yosemite National Park Expedition.