FR-150. Rocher de la Bouteille (Bottle Rock) is located close to
La Pertite Arche among the standing rocks behind the old castle of Roc Castel near the village of Le Caylar on Causse du Larzac area in Hérault department of France. The opening has an estimated height of 3 meters. IGN topographic map Top 25 number 2642 west Le Caylar (pleat G3).