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Here at Belmonte Castello the pits are one of the local karst phenomena that characterize the mountains and these two chasms came about from underground collapses. In the location of Capodivalle there is a deep crater about 130 meters and a diameter of 60 meters while at Vaccareccia the sinkhole is about 110 meters deep and has a diameter of 120. You can sense the flow of water coming from the bottom and the cold drafts of air.



Traveller's Guide to Italy