Teen Dies After Heat-Related Illness on Grand Canyon Hike

An 18-year-old man died Wednesday after experiencing symptoms of heat-related illness while hiking the Bright Angel Trail in Grand Canyon National Park, according to the National Park Service. The incident occurred deep within the canyon, below Havasupai Gardens, a rest stop and campground that requires a 3,000-foot descent from the South Rim.

Rangers received a report at approximately 1:40 p.m. local time on June 3, 2026, and launched a helicopter rescue operation.

They located the teen about 30 feet below the trail in a remote area near Garden Creek. Despite life-saving efforts, he was pronounced dead at the scene.

The teen had intended to complete a round-trip day hike from the South Rim to the Colorado River and back via the Bright Angel Trail, a route the park service warns against attempting in a single day due to extreme temperature changes, long distances, and an elevation change of approximately 5,000 feet each way. The park service advises hikers to check with a ranger before attempting even the 9-mile trek to Havasupai Gardens and back, which takes six to nine hours.

The Coconino County Medical Examiner's Office is investigating the death. The teen's name has not been released pending notification of next of kin.

Heat stroke, the most severe form of heat-related illness, can cause body temperature to rise to 106 degrees Fahrenheit or higher in as little as 10 to 15 minutes and is a medical emergency that can lead to disability or death, according to the Centers for Disease Control and Prevention. Symptoms include confusion, slurred speech, loss of consciousness, profuse sweating, and seizures.