Caves of the Mendip Hills caves are listed below Caves of the Mendip Hills The caves of the Mendip Hills are formed by the particular geology of the Mendip Hills: large areas of limestone worn away by water makes it a national centre for caving. The hills conceal the largest underground river system in Britain. The hills consist of anticlines of Carboniferous Limestone lying over Devonian Old Red Sandstone, with the sandstone exposed on the summits. When a surface stream running off the sandstone reaches the limestone it sinks below ground through a "swallet", (also known locally as a "slocker"), continuing on its way down
Wookey Hole Caves dark parts of the cave where the witch was hiding. The blessed water immediately petrifies the witch, and she remains in the cave to this day. A 1000-year-old skeleton of a woman was discovered in the caves by Balch in 1912, and has also traditionally been linked to the legendary witch. The remains have been part of the collection of the Wells and Mendip Museum, which was founded by Balch, since they were excavated, though in 2004 the owner of the caves said that he wanted them to be returned to Wookey Hole. It was partly down to the legend