Bocca del Pescecane (Mouth of the Shark) is located on the towers of San Pantaleo close to the village of San Pantaleo, Sardinia Island, Italy. The largest of the two opening inside the "mouth" has an estimated span of 3.0 meters. It is necessery to climb down two rappels to get in the mouth and six others rap to exit the huge tafoni (socket into granit formation).