On the South face of the boulder of Parc des Princes, on the crest in the sector Princes de ce Monde. Sitstart (without crash-pad) and exit directly in Princesse Leia.
Access : from the parking lot of Le Carrefour du Rocher des Princes, follow La Route de Montmorin (blue path) for 100m, take a small path to the right before the bend and follow that one up to the crest.