Rangers found the teenager below the Bright Angel Trail near Havasupai Gardens and attempted a helicopter rescue, but efforts were unsuccessful.

An 18-year-old died last week on a hike deep in the Grand Canyon, after showing symptoms of heat-related illness, the National Park Service said.

Rangers found the teenager below the Bright Angel Trail near Havasupai Gardens and attempted a helicopter rescue, but efforts were unsuccessful.

Heat rises within the canyon which can result in suffocating temperatures for visitors