Texas Hiker Dies on Grand Canyon Trail During Extreme Heat

Scott Sims, 69, collapsed on the River Trail; Park officials emphasize the dangers of summer hiking.

Scott Sims was attempting to reach Phantom Ranch for an overnight stay via the South Kaibab Trail.
Temperatures on exposed parts of the trail can exceed 120 degrees Fahrenheit, even in the shade.
Bystanders and National Park Service paramedics attempted CPR, but Sims could not be resuscitated.
Park officials advise avoiding inner canyon hikes between 10 a.m. and 4 p.m. during summer months.
The National Park Service and Coconino County Medical Examiner are investigating the incident.