Best Caldeira
The Cirque de Mafate is a dramatic geological formation located on Réunion Island. It’s a collapsed volcanic caldera—a large, circular depression formed by the subsidence of magma—renowned for its extreme isolation and unique ecosystem. The area features several small villages accessible solely via...
The Cirque de Cilaos is a dramatic volcanic caldera located on Réunion Island in the Indian Ocean. Formed within a collapsed caldera, it features steep slopes, lush tropical vegetation and unique geological formations. It’s notable for its demanding hiking trails attracting experienced trekkers and...
Cirque de Salazie is a remarkable volcanic cirque located on Réunion Island. This tropical depression features a unique caldera landscape sculpted by intense rainfall and geological activity. The area’s abundant waterfalls contribute to its distinctive beauty. It's primarily of interest to geologist...
The Graciosa fumaroles are minor geothermal vents situated within the caldera of Volcão da Caldeira on Graciosa Island, part of Portugal's Azores archipelago. This dormant volcanic crater releases mild geothermal gases, serving as a visible reminder of the region's underlying volcanic activity. Unli...
