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Natal Caves

Gruta do Natal (Christmas Cave), also known as Galeria Negra or Gruta do Cavalo, is a cave system in municipality of Praia da Vitória, on the island of Terceira in the Portuguese archipelago of the Azores.

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

More caves in Portugal

  1. São Vicente Caves1 km
  2. Artificial caves of Alapraia
  3. Artificial caves of Casal do Pardo
  4. Cavalum Caves
  5. Cave of Aroeira

Other notable caves worldwide

  1. Mammoth Cave · Australia686 km
  2. Sistema Sac Actun · Mexico119.2 m
  3. Lechuguilla Cave · United States489 m
  4. Optymistychna Cave · Ukraine20 m
  5. Veryovkina Cave · Georgia2,212 m
  6. Krubera Cave · Georgia2,199 m
  7. Sarma cave · Georgia1,830 m
  8. Clearwater Cave · Malaysia109 km