Mendip Hills to the development of cave diving in Britain. The first cave dive was attempted at Swildon's Hole in 1934, and the first successful dive was achieved the following year at Wookey Hole Caves, which has the deepest sump in Britain at 76 m (250 ft). The cave complexes at St. Dunstan's Well Catchment, Lamb Leer, and Priddy Caves have been identified as Sites of Special Scientific Interest. The deepest cave in the Mendip Hills is Charterhouse Cave with a vertical range of . Many caves in the Mendip area were excavated for archaeological and natural history studies by pioneer explorer
Borra Caves means hole in Odia language and "guhalu" means caves in Telugu language) The caves were discovered in 1807, by William King George of the Geological Survey of India. On the discovery of the caves, there are several legends, which the tribals (Jatapu, Porja, Kondadora, Nookadora, valmiki etc.) who inhabit the villages around the caves narrate. The popular legend is that a cow, grazing on the top of the caves, dropped through a hole in the roof. The cowherd while searching for the cow came across the caves. He found a stone inside the cave that resembled a Lingam, which he