Three hikers die from heat-related illness in Grand Canyon

Three hikers have died from suspected heat-related illnesses in separate incidents at Grand Canyon National Park over the past week, prompting urgent warnings from officials as an extreme heat watch is forecast for the region. The deaths occurred amid dangerously high temperatures in the park's inner canyon.

According to the National Park Service, a 72-year-old man died on June 12 along the South Kaibab Trail. Four days later, on June 16, a 67-year-old man and a 68-year-old woman were found dead on the North Kaibab Trail. All three were hiking in the inner canyon, where midday temperatures in the shade can exceed 109 degrees Fahrenheit. The bodies were taken to the Coconino County Medical Examiner's Office, and investigations are ongoing.

Park officials have issued a stark advisory, strongly urging visitors to avoid hiking below the rim between 10 a.m. and 4 p.m. They emphasize that conditions can be deceptive, with temperatures at the canyon bottom often 20 to 25 degrees hotter than at the rim. The strenuous climb back out, involving an elevation gain of thousands of feet, becomes significantly more dangerous in extreme heat, causing heat illness to set in quickly.