La coulée basaltique d'Antraigues à Vals-les-Bains

Antraigues is a village perched on a volcanic headland, a witness to the force of the lava from the Coupe d’Aizac. The basalt columns, locally known as organ pipes, are still visible today. Take the road from Antraigues to the Bridge of Bridou near Vals-les-Bains.