A 79-year-old skier built a small fire and used pine boughs to warm himself while spending the night in a tree well in Montana, officials said. The skier had become disoriented after going off-trail, the Flathead County Sheriff’s Office said in a Feb. 19 post on Facebook.

A 79-year-old skier was rescued after spending Monday night alone around Blacktail Mountain Ski Area, Montana, according to local authorities and news reports. The skier rode off-trail and became disoriented.