| 1. | Treak Cliff Cavern | | | The only place in the world where Blue John Stone naturally occurs. Ancient underground caves open all year round. Online tour, information on shop and mail order service.
www.bluejohnstone.com |
| 2. | Speedwell Cavern | | | Offers a unique boat journey through the workings of a 200 year old underground lead mine which opens into a network of natural caverns and underground rivers. Details of opening times and prices.
www.speedwellcavern.co.uk |
| 3. | Peak Cavern | | | The biggest natural cavern in Derbyshire, with the largest entrance to any cave in the British Isles. Site contains information on location and admission prices.
www.peakcavern.co.uk |
| 4. | ASD Jewellers | | | Small family business offering a selection of blue john jewellery. Has secure online shopping.
www.asd-jewellers.co.uk |
| 5. | Blue-John Cavern and Craft Shop | | | History of Blue John and details of the cavern. Information on the craft shop and selection of jewellery available.
www.bluejohn-cavern.co.uk |
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