Mountaineer Dani Arnold explores deepest lake on earth, Lake Baikal too cold to climb

Mammut Pro athlet Dani Arnold embarks on an expedition to a place so extreme, few athletes have dared to explore it. An adventure to Lake Baikal, the deepest lake on earth, with temperatures as low as 40C. Too cold to climb See how he transitions to the horizontal ice and conquers ten new ice routes. Discover the full experience and the whole new Mammut Eiger Extreme collection :