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 ""Ogof"" which gave the early names for this cave of ""Ochie"" ""Ochy"". "Hole" is Anglo-Saxon for cave, which is itself of Latin/Norman derivation. Therefore, the name "Wookey Hole Cave" basically means "cave cave cave". Eilert Ekwall gives an alternative derivation of "Wookey" from the Old English ""wocig"" meaning a noose or snare for animals. By the 18th century the caves were commonly known as "Okey Hole". Fossils of a range of animals have been found including the Pleistocene lion ("Felis leo spelæ"), Cave hyena ("Crocuta crocuta spelaea") and Badger ("Meles meles"). Wookey Hole was occupied by humans in the Iron