Zane Wach, 14, left, began hallucinating before stepping off a 120-foot cliff while hiking with his father, seen right.

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

A beloved teen and competitive swimmer at Hart High School in Santa Clarita was surrounded by messages of love and support on ...

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 ...

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 ...

The 14-year-old began experiencing altitude sickness as he and his father were hiking Mount Whitney in Northern California ...

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