Yellowstone doesn't have mountaineering opportunities, while climbing the iconic Grand Teton (Teton Range's highest peak) is just one of the many climbing & mountaineering routes in Grand Teton National Park. Yellowstone and Grand Teton have distinct water-based activities.

On Tuesday, July 22, 35-year-old Thomas Daniel Gibbs, who hails from Freehold, made contact with loved ones at around 12 p.m. local time. It was the last they’ve heard from him. That day, Gibbs was thought to be in the area of Grandview Trail and Horseshoe Mesa, the National Park Service said in a news release.