On May 10, a French skier in his 50s died after falling over 300m in the Couloir des Cosmiques, a steep and dangerous ski route near Chamonix, France, in the Mont Blanc massif. This area is known ...

Once up there, one can either climb Mont Blanc’s peak (4,810m) or tackle one of many backcountry descents, such as the Mallory Route, the Cosmiques Couloir, Rond Glacier or Mer de Glace.

It’s known as the Cosmiques Couloir, a 2,600-foot-long, 45-plus-degree gash with a rocky entrance that prompts most skiers to rappel into it. The couloir is a challenge for any expert skier, ...

Skiing ultra classic couloirs like the Couloir des Cosmiques and the Couloir Trappière, peaks like the Aiguille Argentiere, and glaciers and cols like the Posson, we finished each day with a huge ...

Cosmiques Arête, Aguille du Midi, Mont Blanc, Western Alps, The Cosmiques Arête is one of the most famous and popular climbs in the Mont Blanc massif, and quite rightly so. Excellent granite, exposure ...

Glacier Rond, Mont Blanc, Western Alps, Even though it is one of the classic Chamonix descents, the Glacier Rond is a technical itinerary that requires good ropework and experience with glacier skiing ...

On May 10, a French skier in his 50s died after falling over 300m in the Couloir des Cosmiques, a steep and dangerous ski route near Chamonix, France, in the Mont Blanc massif.

Once up there, one can either climb Mont Blanc’s peak (4,810m) or tackle one of many backcountry descents, such as the Mallory Route, the Cosmiques Couloir, Rond Glacier or Mer de Glace.