WEST GLACIER, Mont. -

A search is under way in Glacier National Park for a man who failed to return from a day hike on Saturday.

Park officials say it is believed 19-year-old Jakson Kreiser was planning a day hike from Logan Pass to the Avalanche Lake area. His vehicle was found at the Logan Pass Visitor Center Parking Lot.

About 50 people are involved in a ground and aerial search that began Sunday and continued Monday.

Kreiser, who is from Michigan, is in his first year as a seasonal employee at Lake McDonald Lodge. He is 6 feet, 2 inches tall with short, black, curly hair and a black beard. He was believed to be wearing a yellow sweat shirt, khaki pants and carrying a grey and yellow backpack.