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.

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

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,

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