Algar do Carvão
Algar do Carvão is a volcanic cave located on Terceira Island in the Azores, Portugal. It features a remarkable lava tube and a chimney that extends about 90 meters deep. This site is known for its unique geological formations, including stalactites and a subterranean lake.
More about Algar do Carvão
Formed about 2,000 years ago, Algar do Carvão is accessible via guided tours that lead visitors down a series of staircases. The cave is managed by local authorities who ensure its preservation. Inside, the humidity and temperature are stable, making it an intriguing location for geological study. The site is typically open from spring to fall, with varying hours depending on the season.