The Grotta Bianca ("white cave") is located on the island of Capri, Italy. It derives its name from white incrustations of calcareous matter upon its sides, and from clusters of white stalactites which hang from the roof and fringe the entrance. The cave faces east, and is situated near the Punta della Chiavioa. The entry, about 70–80 feet (21–24 m) high, leads into upper and lower caves, of which the former is not easily accessible. The lower cave can be entered by boat for a short distance. Unlike most other caves at the water-level, it is much broader at approximately 6 feet (1.8 m) above the water than actually at the surface. The total height is no more than 24 feet (7.3 m). The upper erosion line is clearly marked near the cave and within it. The upper cave seems to belong to an earlier period.
- Royal Geographical Society (Great Britain). (1903). The Geographical journal (Public domain ed.). Royal Geographical Society. pp. 131–. Retrieved 5 July 2012.
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