Austin King, 22, has been missing since he failed to return from a week-long solo excursion to summit Eagle Peak, the highest point in Yellowstone.

A 22-year-old Yellowstone concession worker, Austin King, was reported missing last week after he didn't return from his hike in the park.King planned to complete a 7-day backpacking trip to Eagle Peak,

The search is on for Austin King, a 22-year-old concession worker at Yellowstone, who reached the top of the park's highest peak last Tuesday and

Rescuers in Yellowstone National Park searched the area of Eagle Peak on Sunday in an effort to find a park concession worker who failed to check in at the end of a personal trip, authorities said.

Concession worker Austin King has been missing since Sept. 17, after embarking on a backpacking trip to summit Eagle Peak