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BackThree Hikers Die from Apparent Heat-Related Illnesses in Grand Canyon
Three Hikers Die from Apparent Heat-Related Illnesses in Grand Canyon
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ABC News6/20/2026World1 min readUnited States

Three Hikers Die from Apparent Heat-Related Illnesses in Grand Canyon

Quick Look

  • Three hikers died from apparent heat-related illnesses in the Grand Canyon over the past week.
  • Temperatures in the inner canyon can exceed 109°F.
  • National Park Service urged hikers to avoid trails during peak heat hours.

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Why It Matters

Three hikers died from apparent heat-related illnesses in the Grand Canyon over the past week. Temperatures in the inner canyon can exceed 109 degrees Fahrenheit.

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GRAND CANYON NATIONAL PARK, Ariz. -- Three hikers died from apparent heat-related illnesses in the Grand Canyon on two separate days in the past week in the inner canyon, where temperatures can exceed 109 degrees Fahrenheit (43 degrees Celsius) in the shade during midday hours, federal officials said Friday.

A 72-year-old man became ill from the heat on June 12 while hiking the South Kaibab Trail and died before rescue crews could reach him. Four days later, a 67-year-old man and a 68-year-old woman also appeared to suffer from heat-related illnesses while hiking the North Kaibab Trail and died before help arrived, the U.S. National Park Service said in a statement.

Despite a rapid response and aerial support, all three hikers were dead by the time first responders reached them, the park service said.

The Grand Canyon has seen an uptick in heat-related illnesses in recent weeks and urged inner canyon hikers to stay off trails between 10 a.m. and 4 p.m., park officials said.

The bodies were taken to the Coconino County Medical Examiner office and investigations of the deaths are ongoing, the National Park Service said.

Open Questions

  • Were the hikers aware of the risks?
  • What specific conditions led to the deaths?

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This article was originally published by ABC News.

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