Algar do Carvão, Cave entrance in Terceira Island, Portugal
Description
Algar do Carvão is a cave on Terceira Island formed within the Guilherme Moniz volcano system, stretching about 100 meters in length. The cave descends roughly 90 meters through volcanic rock, and visitors encounter mineral deposits and a natural lake on the cave floor.
History
The cave was first explored in 1893 when Cândido Corvelo and Luis Sequeira made their descent using basic rope equipment, marking the beginning of documented exploration. This early expedition helped establish the site as an important geological location on the island.
Culture
The name comes from Arabic "al-Gar", meaning "the crease" or "the fold". Local people have long viewed this underground space as part of their island's identity and connection to its volcanic origins.
Practical
The site is best visited during warmer months when organized tours operate in the early evening hours. Exploring the cave requires descending many flights of stairs, so sturdy footwear and physical readiness are helpful for the underground journey.
Did you know?
The cave contains a freshwater lake fed by rainwater that accumulates on the cave floor and reaches significant depth. Few visitors realize this hidden underground water system exists, making it a quiet discovery for those who pay attention.
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The Azores archipelago stretches about 1500 kilometers off the coast of Portugal in the Atlantic Ocean. The nine islands were born through volcanic activity, creating a land of unusual sights: craters turned into lakes, hot springs bubbling from the ground, caves formed naturally in the rocks, and...
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