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

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 ...

Zane Wach, 14, was taken off of ventilators during his ongoing medically-induced coma nearly a month after the boy wandered ...

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

Zane remains in a medically induced coma at Sunrise Children’s Hospital. Besides the trauma to his head, his injuries from ...

A California teen is in a medically induced coma after walking off a 120-foot slope right in front of his terrified father ...

A teen is in a coma after he hallucinated and walked off a cliff in California, according to his dad. Ryan Wach said he and ...

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

A 14-year-old boy from California remains in a coma after altitude sickness caused him to hallucinate and walk off a 120-foot ...

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