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A 21-year-old woman from New Jersey tragically lost her life to hypothermia after an unfortunate accident during a winter hike near the peak of New York’s highest mountain, authorities reported.
On February 12, Brianna Mohr was discovered close to the summit of Mount Marcy by New York State Forest Rangers. She was declared deceased at the scene, according to New York State Police.
State rangers had responded at 3 p.m. to an alert regarding a distressed hiker and her dog on Mount Marcy, initiating a comprehensive search operation.
Mohr was located around 9 p.m., but sadly, she showed no signs of life upon discovery. An autopsy later confirmed hypothermia as the cause of death.

Brianna Mohr, remembered for her adventurous spirit, succumbed to the extreme cold during her hike in New York. (Photo: Brianna Mohr/Instagram)
Her dog was not injured and was rescued.
According to AccuWeather.com, temperatures in Keene, New York, where the mountain is located, ranged from -8 to 20 degrees the day Mohr was hiking. Mount Marcy, in the Adirondacks, is the tallest mountain in the state at 5,344 feet.
Mohr called 911 at 3:05 p.m. to report that she had slipped off the trail near the summit and was unable to get back to it, a spokesperson for the New York State Department of Environmental Conservation told the Asbury Park Press.

A 21-year-old New Jersey woman died of hypothermia after slipping off a trail near the summit of Mount Marcy in the Adirondacks, officials said. (Brianna Mohr/Instagram)
Rangers searched for Mohr with snowmobiles and a tracked utility vehicle and the state police Aviation Unit flew overhead in case of a hoist rescue, the outlet reported.
The paper said rangers aboard the helicopter were unable to locate Mohr, and one ranger was dropped at the Marcy Dam Outpost to continue the search on foot just past 6 p.m.
The outlet shared a message posted on Instagram on Feb. 16 by Mohr’s brother Ryan.
“You were the best friend and sister I could have ever asked for growing up with you was awesome because I always had you to tell me what was cool and what wasn’t because you were and always will be the coolest person I know,” he wrote.

Brianna Mohr was found dead near the summit of Mount Marcy after calling 911 during a winter hike, authorities said. (Brianna Mohr/Instagram)
Mohr’s mother, Stephanie West, posted a photo of her daughter on Valentine’s Day with the caption, “I am so lost.”
Mohr’s Instagram account includes dozens of photos from trips to scenic destinations, including national parks.