 PIC 3 >
“Gruta das Torres” is the largest lava tunnel in the Azores, with 5,150 m total length. It displays a wide diversity of structures, such as pahoehoe and aa pavements, skylights, lava stalactites and stalagmites, lava balls, flow marks, levées, mineral deposits, and also several troglobian species.
 38º 29'49''N 28º 30'26''W > SEE MAP
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