The Blue John Cavern is one of the four show caves in Castleton, Derbyshire, England. The others are Peak Cavern, Treak Cliff Cavern and Speedwell Cavern.
Wikipedia https://en.wikipedia.org/wiki/Blue_John_Cavern
Official Website https://www.bluejohn-cavern.co.uk/
Phone +44 1433 620 638
Address Buxton Road, S33 8W Castleton, UK
Coordinates 53°20'43.885" N -1°48'12.757" E
