On a boulder to the South-East of La Mère aux Démocrates, in the Eastern part of the sector, just below the plateau. Sitstart without crash-pad at the base of the pillar and exit on the right.
From the parking lot of the Bois Rond Auberge, take the Chemin de l'Auberge, climb opposite on the crest of the Rocher de la Reine, follow the path towards the east until it reaches the edge of the north face (marker 421), the boulders are below.