Mystery as student, 20, on a hike starts vomiting and dies

The reason behind the sudden death of a 20-year-old woman hiking with friends at Conundrum Hot Springs in Colorado over the weekend remains unknown.

Susanna DeForest, of Collegeville, Pennsylvania, was pronounced dead early Friday after a rescue team discovered her following an alert they received about a 'grievously ill hiker' on the Conundrum Creek Trail around 10:45 p.m Thursday.

DeForest was alongside three of her friends at the time she became light-headed and started vomiting, according to Pitkin County Sheriff's Deputy Anthony Todaro.

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Susanna DeForest, 20, was identified as the woman who died over the weekend at Conundrum Hot Springs in Colorado

Susanna DeForest, 20, was identified as the woman who died over the weekend at Conundrum Hot Springs in Colorado

Friends of DeForest said she was nauseous and began vomiting Thursday while on the hike

Friends of DeForest said she was nauseous and began vomiting Thursday while on the hike

Police said the friends left a bit late in the afternoon but had the proper gear, water and food and were prepared to spend the night at the hot springs and hike out the next day

Police said the friends left a bit late in the afternoon but had the proper gear, water and food and were prepared to spend the night at the hot springs and hike out the next day

Two of the girls left the scene around 8:30 p.m. to get help and were not able to reach emergency officials until over two hours later

Two of the girls left the scene around 8:30 p.m. to get help and were not able to reach emergency officials until over two hours later

The three friends, also from Pennsylvania, sent up a tent in order to get DeForest out of the heat and into a open space to lie down.

Todaro said two of the girls left the scene around 8:30 p.m. to seek help and were not able to reach emergency officials until over two hours later.

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