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
Wombeyan Caves Wombeyan Caves The Wombeyan Caves are caves that have formed in marble, in the Wombeyan Karst Conservation Reserve, New South Wales, Australia. Wombeyan Caves is a tourist attraction and local holiday area, as well as a reserve for endangered species, such as several species of wallaby, bird, possum, and wombat. It is located within the Southern Highlands about north of Goulburn. Access is by the Wombeyan Caves Road from either Mittagong in the east or from the Goulburn-Oberon Road in the west. The caves reserve is located towards the western end of the Wombeyan Caves Road. The part of the