On the boulder of Tas Réta Tas, in a small chaos behind the classical area of Cuvier Est, underneath the North ridge. Standing start on the left, traverse to the right and exit via the arete 1m50 to the left of the exit of Tas Réta Tas.
Traverse the classical sector of Cuvier Est by La Route de Bellevue and continue up to the GR. Follow the GR on the right for 100m up to a big bend to the right. The boulders are just before, 30m on the left up the hill.
