Grotte des Cinq Fenêtres (Five Windows Grotto) is located on the cliff above Ardèche River (Charmasson section of Gorges de l'Ardèche natural reserve) close to the meander of La Montagne de Sable. Access to these arches requires climbing an exposed chimney. The main arch has an estimated span of 5 meters. It is followed by some narrow tunnels (
boyau) allowing access to a superior room where is located a five windows lace hence the name. IGN topographic map Top 25 number 2939 west Gorges de l'Ardèche (pleat C4).
