Angra do Heroísmo · Category
Caves & Cavities
2 points of interest in this category ready to discover.
2 places
Places in this category
Porto JudeuVolcanic shaft
Algar do Carvão
Volcanic chimney around 90 metres deep, formed approximately 3,200 years ago in the interior of Terceira Island.
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Porto JudeuCave
Gruta das Agulhas
Lava tube around 250 metres long, formed by ancient flows from Pico do Refugo and known for needle-shaped opal formations.
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