On the boulder of Bibi Fricotin (orange n°40), in the North part of the sector. Sitstart in the right facet, traverse to the left on the slab with low holds and exit completely right in the left facet.
Follow Le Chemin de la Mée and take Le Chemin de la Cathédrale that turns around the Potala area and goes up the slope to a pass. The boulder is 50m on the left.