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Min / max altitude1400m / 4052m
Duration10 hours 36 minutes
Main facingNW
Route typeReturn the same way
Glacier gear required
Lift approach
Source
Details
Approach
From the Nid d’Aigle go S up the “désert de Pierre Ronde” until about 2950m, then traverse the Bionnassay glacier.
Route
Climb the 1000m of the NW face, on the true left side, (right looking upwards,) weaving your way between the numerous crevasses and a large bergschrund at about 3650m.
Descent
On ski: by the same route, taking a good note of the line on the way up. On foot: Either go back to the Durier hut or continue to the Dome de Gouter and down the Mont Blanc normal route by the Gouter hut, (see S ridge and Traverse of the Bionnassay)
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