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
Waitomo Caves Waitomo Caves The Waitomo Caves is a village and solutional cave system forming a major tourist attraction in the northern King Country region of the North Island of New Zealand, 12 kilometres northwest of Te Kuiti. The community of Waitomo Caves itself is very small, though the village has many temporary service workers living there as well. The word "Waitomo" comes from the Māori language "wai" meaning water and "tomo" meaning a doline or sinkhole; it can thus be translated to be "water passing through a hole". The caves are formed in Oligocene limestone. The limestone landscape of the Waitomo