MOOSE, Wyo. (AP) – Grand Teton National Park rangers rescued a Missouri teen injured in fall while descending a mountain next to Jenny Lake in northwest Wyoming.

The National Park Service says 18-year-old Derek Wilcock, of Kansas City, Missouri, fell about 30 feet (9 meters) around 9:30 p.m. Tuesday. The accident occurred at about 10,200 foot elevation.

His climbing partner called for help and rangers reached the pair on foot at about 1 a.m. with provisions, such as food and shelter, while they waited for daybreak.

At 9 a.m. on Wednesday, Wilcock and his partner were flown by helicopter off the mountain. Wilcock was taken to St. John’s Medical Center in Jackson where he was listed in good condition Thursday.