A backpacker hiking in a “remote” spot at a Michigan national park has died after experiencing a “sudden onset” medical emergency, authorities said.
The 37-year-old woman was hiking on Monday, Aug. 12, with her partner near Isle Royale National Park’s Lake LeSage when she “experienced sudden onset medical complications,” according to a news release from the National Park Service.
Her condition “deteriorated,” the NPS added, and she quickly became “unable to walk, lost consciousness, and stopped breathing.” Bystanders attempted to give the hiker CPR, but their attempts were unsuccessful and she died.
According to the NPS, other backpackers who were in the same area as the couple contacted Michigan State Police through a “delayed 911 text,” and park rangers as well as EMTs were dispatched to the group.
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Because of the remote location, rangers and EMTs stayed with the group overnight. On the morning of Aug. 13, Isle Royale National Park staff transported the party off of the island.
A park ranger told NBC News that the small crew remained with them overnight because a larger crew was needed to transport the woman’s body back to the mainland.
PEOPLE did not immediately reach Isle Royale National Park personnel for comment.
Isle Royale is located in a remote area of northern Lake Superior, and according to the NPS, it “preserves and protects the natural, cultural, and wilderness resources of a Lake Superior freshwater archipelago.”
An investigation into the woman’s death is still ongoing, the Park Service added. A cause of death has not been disclosed at this time.
“The Isle Royale community extends their sincere condolences to the family and friends of the deceased,” the NPS added.
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