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
Wookey Hole Caves the owner Captain G.W. Hodgkinson in 1927 following preparatory work by Balch. Three years later, John Cowper Powys wrote of the caves in the novel "A Glastonbury Romance". Hodgkinson took offence at the portrayal of his fictional equivalent, initiating a costly libel suit. The current paper mill building, whose water wheel is powered by a small canal from the river, dates from around 1860 and is a Grade II listed building. The commercial production of handmade paper ceased in February 2008 after owner Gerry Cottle concluded there was no longer a market for the product, and therefore sold most of