Piolet d'Or 2011: Mount Logan and Greenland Big Walls the winners
Two prizes awarded last night in Chamonix during the IXX Piolet d'Or: Mount Logan in Canada byi Yasushi Okada and Katsutaka Yokoyama, and the Big Walls in Greenland by Sean Villanueva, Nicolas and Olivier Favresse and Ben Ditto.



