Nestled in the heart of Yorkshire’s beautiful Peak District, the Blue John Cavern in Castleton is widely believed to be the finest cavern system in Western Europe which is open to the public. Visiting the cavern is a must for anyone who is interested in gemology as this system of caverns is the only place in the world where you can find Britain’s famous Blue John gemstone. This precious stone was originally found on site by the Romans more than 2000 years ago. Today visitors can join a fascinating guided tour of the caverns to see some brilliant stalactites and stalagmites, huge water-formed caverns and brilliantly colored veins of Blue John. You can buy your own piece of this unique stone at the on-site gift shop and café.
Blue John Cavern, Mam Tor, Castleton, Hope Valley, Derbyshire, S33 8WA, Phone: +44-14-33-62-06-42
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