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A 19-year-old hiker survived after being stranded overnight in subzero temperatures on "extremely precarious” ledge 13,000 feet up in the Rocky Mountains, rescuers said.

Samuel Frappier, from Quebec, Canada was descending from the summit of Longs Peak in Colorado when he became stranded on Tuesday afternoon, the Rocky Mountain National Park said in a release.

He was finally taken from the mountainside after what the release called a “significant technical rescue” that included assistance from a helicopter.

A circle shows the location where Samuel Frappier was found on the east face of Longs Peak in Colorado's Rocky Mountain National Park.National Park Service via Reuters

Frappier was in contact with rescuers via his cellphone.

He and a friend were ascending Longs Peak, a 14,249-foot peak, from the western side of Chasm Lake via Lambs Slide when they became separated. Frappier reportedly had no technical experience in climbing or mountaineering and was dressed in cotton clothes and sneakers.

Frappier was uninjured but “not prepared to spend the night,” the release said. “Winter conditions exist above 9,000 feet with significant snow and ice. Fortunately there was no moisture overnight. Overnight temperatures were in the 30s.”

In total, 28 rescuers were involved in the operation, NBC News’ Colorado affiliate reported. The team faces hazards including active ice and rock fall.

He was taken by ambulance to Estes Park Medical Center for evaluation after being rescued at about 6 p.m. Wednesday, the Denver Post reported.

— Alastair Jamieson