Aurelien DUCROZ and friends Leo SLEMETT and Julien HERRY "Pica" take you into a nice super narrow couloir with big POWDER: Couloir Gypaete. Real winter atmosphere for this new Episode of CHAM' LINES just a the entry of Chamonix-Mont-Blanc Valley.

In Association with: Helly Hansen, Dynastar, Alpina Watches, Lange, Poc, Compagnie du Mont-Blanc, Arva, Tingerlaat, Crosscall, Volvo, Fatmap, Go Pro, SPG Intercity