Situated in the caldera (caldron) of the second largest inhabited volcano in the world, El Valle de Anton is located in the province of Coclé, 120 km from the city of Panama. The Stratovolcano, with a radius of 6 km was formed around 1.1-1.3 million years ago.
The subsoil of the valley is formed by the deposits of the old lake of the caldera, and has various mineral underground rivers which have been surfaced into hot springs. The valley is defined by the dome of the lava complex that was formed by the East – West movement of the caldera. The peaks surounding the valley are known as “El Cerro Gaital” (1185 m), “El Cerro Pajita” (616 m) and “El Cerro Caracoral”. The most recent major eruption in the subsoil was 13,000 years ago. It happened when the hot magma met the water of the caldera lake.