Caves in Graciosa

Furna do Abel is a large grotto, about 96 meters long, located on the island of Graciosa....

Furna da Maria Encantada is a cave of unusual shape. It was formed as a result of a volcanic phenomenon in which lava flows out through narrow pipes....

Furna Cave (Furna do Enhofre, Furna do Inshofri crater, Furna do Enxofre Caldeira) is a volcanically formed cave with a length of 194 m and a height of 50 m....