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The Grotta Cassone is on the road leading from Zafferana to Sapienza Refuge, in the "Piano del Vescovo" area. It was discovered during the street building in the 1964, it was generated more than 200 years ago, during the 1792 eruptions.
Leave the car Acqua Rocca degli Zappini trail and walk upwards on the street for a few meters, until you find the entrance with no indication.of the
Some signs warns visitors about: we strongly recommend to use a helmet and a torch. Some sections of the ceiling shows some above the lavic rocks, but there are also many and some on the floor
We also find some, even hanging on . Please, DON'T USE FLASH to take picture, don't disturb bats or insects inside the cave
The cave is collapsing due to many reasons. Thefrom the external ground had been digging for years until they reached the cave, cracking the ceiling. the infiltration of water , like old plaster in dump wall. In most of the cave there are , the cave destiny's is clear: as any other magma cave, it will collapse or will be covered by another magma flow. The cave is quite big, is possible to the cave, which suddenly ends at .