10m to the South of La Route du Serpolet, 200m to the West of its crossing with Route des Monts de Fay. Sitstart on the left with pockets, climb the overhang and exit slightly right without using the part of the boulder on the left of the crack.
NB: this boulder has been rediscovered by Antoine Eydoux and Tony Fouchereau with the name "Thym Serpolet".