Chilling final vid of climber moments before he was attacked by brown bear causing him to fall into ravine

THIS is the horrifying moment a bear lunges at a climber - before knocking him off a cliff and sending him plummeting to his death.

Christos Stavrianidis, 61, filmed his terrifying final moments falling into a ravine while on a hike with a pal and his dog in Greece .

In the harrowing footage, Stavrianidis records the brown beast striding between the bushes of Fraktos Forest from his point of view.

The bear is seen crawling towards the right side of the frame, before the climber is heard calling for the mammal.

"Where are you? Come! Come to me," The hiker is heard telling the animal.

He also urges his pal Dmitri to get a look at the huge bear.

And he calls for his mate to throw him a bottle of pepper spray, so he can fend off the predator if it gets too close.

Worryingly, the hiker