Calabozos, Volcanic caldera in Maule Region, Chile.
Calabozos is a volcanic caldera in the Chilean Andes spanning roughly 26 by 14 kilometers at an elevation around 3,508 meters. Its structure is defined by extensive deposits of volcanic tuff that shape the current geological formation.
The volcanic complex experienced three major eruptions over roughly one million years, depositing extensive volcanic material across the region. These events shaped the structure and geological composition that exists today.
Local communities have used this area for gathering resources and share knowledge about the mountain's geological features passed down through families. This traditional relationship with the land shapes how people in the region understand their natural surroundings.
Reaching this location requires traveling on foot or horseback through remote terrain, as the area has no roads or permanent settlements. Visitors should prepare for challenging terrain and isolated conditions.
The volcanic complex contains numerous hot springs at the base of its resurgent dome, with varying temperatures across the site. These geothermal features, including the boiling waters of Baños de Llolli, reveal the hidden volcanic activity beneath the surface.
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