Zane Wach, 14, was exhibiting symptoms of altitude sickness before falling from a cliff on California's Mount Whitney.

Ryan Wach said his son Zane Wach, 14, experienced altitude sickness while climbing California's Mount Whitney and seemed to ...

A California teen who walked off a cliff while experiencing altitude-related hallucinations on the tallest mountain in the lower 48 states has begun a slow recovery but remains in a ...

Ryan Wach said his son Zane Wach, 14, experienced altitude sickness while climbing California's Mount Whitney and seemed to be hallucinating before walking off the side of the trail.

A California teen, who was placed in a coma after he hallucinated and walked off a cliff while hiking, is now breathing on ...

The health update comes after the 14-year-old walked off the edge of Mount Whitney while hoking with his father after ...

A 14-year-old California boy walked off a 120-foot cliff in front of his horrified father — telling him he saw “snowmen and ...

A devastating hiking accident on Mount Whitney has left a 14-year-old California boy clinging to life after altitude-induced ...

Zane Wach, 14, who hallucinated before walking off a 120-foot cliff on Mt. Whitney, is now off a ventilator and making slow ...

The boy, identified as Zane Wach, fell from Mount Whitney in the Sierra Nevada mountain range in front of his father on June ...

Zane Wach, 14, was hiking in the Sierra Nevada mountain range in California with his dad when he started to suffer from the ...