Grutas de Mira de Aire, Natural cave system in Mira de Aire, Portugal
The Mira de Aire cave system extends over 11.5 kilometers through limestone formations, reaching depths of 110 meters below ground level.
In 1947, local villagers discovered the caves when they noticed steam rising from a hole in the mountain while searching for water sources.
The caves obtained recognition as one of the Seven Natural Wonders of Portugal in 2010, highlighting their geological importance for the nation.
Visitors descend 683 steps during the 600-meter guided tour, with elevators available for the return journey to the surface.
The cave maintains a constant temperature of 17 degrees Celsius, creating conditions for wine aging in the dedicated Polvo Gallery.
Website: http://grutasmiradaire.com
GPS coordinates: 39.54022,-8.70412
Latest update: March 3, 2025 01:40
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