The video is reportedly from Mount Futago, Japana.
The man climbing when bear suddenly appears.
The climber immediately starts to defend himself by kicking and hitting the bear with an object.
TMZ reports,
"Although he was able to ward off the bear's initial attack ... the guy had to keep fighting it off with punches and kicks at the animal's head -- and all while managing not to fall off the face of the cliff.
After about 30 seconds, the bear ran off with its cub in tow, disappearing into the brush…
The climber says he's trained in karate and mixed martial arts, and it might've saved his life."