Hot Springs and Natural Pools
São Miguel Island features unique geothermal activity, resulting in diverse bathing spots. Caldeira Velha offers iron-rich thermal pools tucked into a lush forest at the base of the Fogo Volcano, including a pool fed by a warm waterfall. At Ponta da Ferraria, volcanic vents heat the ocean water within a natural basalt cove, creating a therapeutic swimming area most effective at low tide. The island's coastline also includes basaltic rock pools where Atlantic waters collect in volcanic formations.
A Caldeira Velha
Thermal pools on the northern slope of the Fogo Volcano. Features iron-rich water and a waterfall pool surrounded by tree ferns and endemic Macaronesian vegetation.
B Ponta da Ferraria
Natural ocean cove where geothermal springs heat the seawater. Features safety ropes for swimmers; best experienced during low or mid-tide when water temperatures are highest.
C Caldeira Velha
Natural and Regional Monument featuring several thermal baths. Includes an environmental interpretation center detailing the volcanic activity and biodiversity of the Ribeira Grande region.
Ponta da Ferraria
Geothermal bathing site situated in a basaltic bay. Volcanic vents beneath the sea floor warm the ocean water, which is naturally contained by rugged lava rock formations.
E piscinas naturais
Natural swimming pools carved into volcanic rock. These basalt formations create sheltered enclosures for swimming in the Atlantic Ocean.
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