This natural arch is located close to
Grottes du Platane on the bank of Chassezac River on Gorges de Baume in Ardèche department of France. The opening has an estimated span about 2.5 meters. IGN topographic map Top 25 number 2939 west Gorges de l'Ardèche (pleat A1).

A second natural arch is located on the crack behind the previous opening with a nice big tree which stands in the middle.