COCONINO COUNTY, Ariz. — A 59-year-old Arizona woman died over the Labor Day weekend during a backpacking trip through the Grand Canyon, officials say.
Delphine Martinez of Window Rock passed away Sunday after she became disoriented while hiking down Thunder River Trail, which is about one mile from the confluence of Tapeats Creek and the Colorado River.
The U.S. Forest Service said other hikers part of Martinez's backpacking group tried resuscitating her but she never regained consciousness.
The Coconino County Medical Examiner is currently investigating exactly how Martinez died.
Temperatures in the inner canyon were well over 100 degrees on Sunday, prompting forest officials to warn visitors to avoid hiking the canyon between the hours of 10 a.m. and 4 p.m.
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