L'Arche de la Chauve-Souris (Bat Arch) is located on the rock above the village of Barbières near the ruin of the castle of Pélafol on Drôme department of France. The opening has a measured height of 3.7 meters. IGN topographic map Top 25 # 3136SB Bourg-de-Péages (pleat C4).
