The first fatality involved a 72-year-old man who died on 12 June while hiking the South Kaibab Trail, followed by a 67-year-old man and a 68-year-old woman found dead four days later on the North Kaibab Trail.
All three individuals succumbed to suspected heat-related illnesses on trails within the park’s inner canyon, where temperatures can exceed 109 degrees Fahrenheit in the shade.
Park officials have issued a strong recommendation for visitors to avoid hiking on inner canyon trails between 10 am and 4 pm, citing the dangerous heat levels that can quickly overwhelm hikers.
The South Kaibab and North Kaibab trails are known for being challenging, particularly during summer, with the former offering little shade and the latter being the least visited and most difficult inner canyon route.
