Gruta do Carvão

Ponta Delgada, Portugal · built 2005

The Gruta do Carvão (Grotto of Coal) is an ancient lava tube located on the outskirts of the municipality of Ponta Delgada (in the civil parish of Santa Clara) on the island of São Miguel in the Portuguese archipelago of the Azores.

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NatureReserve data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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