Caves of the Mendip Hills 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 towards sea level by
Chobhar caves Chobhar caves Chobhar caves are an extensive network of natural phreatic caves near the village of Chobhar, which is located 9 km southwest of Kathmandu, Nepal. Chobhar is also known for the Chobhar gorge through which all the water of the valley drains. A small temple of Adinath Sampradaya sits on top of a nearby hill. The temple offers a view of snow-capped mountains. According to Swayambhu Purana and legend, Kathmandu Valley was once a lake. It is believed that the goddess Manjushree cut a gorge at a place called Chobhar Gorge, near Chobhar Ancient Hill Village (sp. also Chovar,