This nice natural sea arch is located on Pointe des Grottes near the village of Morgat on peninsula of Crozon (Armorique Regional Natural Park) in Finistere department of France. The opening has an estimates span of 6 meters. The old name of this site was "Grotte des Oiseaux" (Birds'Cave). It is located by black spot and red star at "Grotte de L'Autel" on IGN topographic map Top 25 number 0418 east Camaret pleat C7.