On the south face of Dame Jouanne, to the right of the boulder where L'Arête de Larchant starts, between Divine and L'Envol du Troglo (mauve n°52). Just in front of the closed zone. Sitstart at the foot of the right prow, between two stones, with both hands in a good hold, climb the prow to the left using underclings and knee bars, reach a large pocket and climb to L'Envol du Troglo (mauve n°52) (on the holds of the start of L'Arête de Larchant.
NB: you can exit in L'Arête de Larchant or escape to the right with a good horizontal crack and descend via the right-hand ledge, watch out for the wires.