Caves of the Mendip Hills then rising up a fracture in the rock. Few caves on the Mendip Hills are more than deep or a few kilometres in length, (with some notable exceptions, such as Swildon's Hole which is over long), but a number are complex with several levels of passages which have been abandoned by the water, for example those around Cheddar. The catchment area of the Cheddar Yeo, which rises in Gough's Cave, measures . Dye marking shows that some of the water travels underground for up to , taking up to 14 days to reach Cheddar. When Banwell Bone Cave was discovered
Cheddar, Somerset The last mill, used as a shirt factory, closed in the early 1950s. William Wilberforce saw the poor conditions of the locals when he visited Cheddar in 1789. He inspired Hannah More in her work to improve the conditions of the Mendip miners and agricultural workers. In 1801, of common land were enclosed under the Inclosure Acts. Tourism of the Cheddar gorge and caves began with the opening of the Cheddar Valley Railway in 1869. Cheddar, its surrounding villages and specifically the gorge has been subject to flooding. In the Chew Stoke flood of 1968 the flow of water washed