Rockfax Description
II, 115m. Not climbed nearly as often as its famous neighbour, this route really deserves more attention. The climbing is more homogenous than on the Rébuffat-Pierre. Early in the season the route can be started from the far left of the highest ledge, almost at the top of the snow slope leading to the Cosmiques Icefall. At other times it is better to start up Rébuffat-Pierre and then a 6b bolted pitch.
1) 5b, 25m. Follow slabs and grooves as Rébuffat-Pierre.
2) 6b, 30m. Climb the corner capped by an overhang. Upon reaching the overhang, cross the slab rightwards to reach right-slanting flakes above a notch. Follow these on good holds to reach a double bolt belay 5m below and left of a distinctive fin of rock which leads to the overhang.
3) 5c, 30m. Climb the crack which leads rightwards to the corner. Follow this before stepping out right onto the fin just before the overhang. From the top of the fin, a couple more metres of slabby climbing lead to a belay in a notch.
4) 6a, 20m. Follow the cracked slab to the left of the wide crack.
5) 5c, 35m. The crack continues above the ledge but is slightly more vague and the angle begins to kick back, with the climbing getting progressively easier as you go. Belay on the huge ledge at the top of the Éperon, taking care not to knock anything onto climbers below. From here, scramble up and leftwards easily to join the Arête des Cosmiques. © Rockfax

UKC Logbook Description
Pitches:3, 5, 5+, 6a, 5+
Start up the gully to the left of the Eperon Face, then follow the obvious line to a big left facing corner and roof. Pull through this and climb the face and crack slightly left to the top. Sustained. Ab off or finish up the Cosmiques Arete.

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