Borna di Ciove is a karst cave located in the municipality of Torgnon, in the Aosta Valley, Italy.
Name The cave's name can be translated from the local Franco-Provençal patois as "Hole of the Choughs", referring to the choughs that are said to enter the cave for shelter during the summer.
Description The cave's entrance is located at an elevation of approximately above sea level, at the foot of Cima Bianca. The cave forms a natural sinkhole into which the waters of the stream flowing from the Colle di Chavacour basin disappear.
The cave has a total length of approximately and a vertical depth of .
Conservation The cave lies within the Special Area of Conservation (SAC) Ambienti calcarei d'alta quota attorno al Lago Tsan (code IT1205081).
See also List of caves in Italy
References