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Blue John Cavern, Castleton
(3.8/5 based on 480+ reviews on the web)
Head underground with a tour of the Blue John Cavern. The cavern is named after Britain’s most rare mineral, blue john, which is still mined here in small amounts outside the tourist season. Be guided through the caves by one of the miners and learn how the caves were formed. Discover the areas that have produced some of biggest pieces of blue john ever mined. Take in the natural beauty of the forms and colors that the minerals have produced, including stalagmites and stalactites. Visit the craft shop to purchase some of your very own blue john set in jewelry and ornaments. Sensible footwear is a must as the cavern contains lots of steps. A visit to Blue John Cavern represents just the start of the adventure when you use our Castleton itinerary planner to plot your vacation.
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Reviews
TripAdvisor
  • An enjoyable tour filled with lots of great facts. It wasn't as adventurous as I'd hoped. Most of the Blue John is elsewhere or being mined so you only see a small amount, not that it really matters. ...  more »
  • We visited the mines on a snowy day we went down the cavern and had a lovely walk down we had a good tour guide telling us about this working mine. Getting up is hard for the unfit but the tour guide ...  more »
  • It was really good, the guide knowledgeable, I really enjoyed it and will go again. All the staff were very friendly. 
Google
  • My experience in the blue John mine seems polar opposite to the ones I've read (perhaps I was in a different mine). I remember going down and down deeper and deeper into in ever more dark and cold environment. The views were spectacular. There were massive caverns with stalactites, and stalagmites. Ground water was dripping off of one and onto the other. Tour guide was very knowledgeable and happy to give as much information as she could. After the tour we entered a museum like shop where one could buy bowls, and other beautiful examples of Blue John craftsmanship. All in all quite a pleasant experience!
  • I first visited the Blue John Caverns in the late 90s and have fond memories of the place, so I decided to take my niece and nephews who are now a similar age as I was. I enjoyed the experience again, and the guide seemed very knowledgable and made the tour quite comical with his sense of humour. And I especially enjoyed the gift shop. However, it now seems that the mine is nearing depletion and there wasn't very much Blue John to see within the cavern it's self. It would have been nice to leave the Blue John for generations after, to enjoy. Our guide put a lot of emphasis on the fact that this is the only known location of the rare semi precious stone in the world, yet it seemed like there were very little regards for its conservation. The other factor that I felt let down with, was the price. For two adults and three children, I think the price amounted to £36.00 which I felt was a little steep considering the cavern is relatively small, and the tour lasts around 30 minutes. Now another positive point to make is the Caverns location. The surrounding area is full of things to do and places to visit, including Mam Tor, Peveril Castle, Castleton Village, and various other Caves and Caverns, not to mention the beautiful scenery.
  • This is a tour of a working Blue John mine, given by one of the miners, who give tours rather than mine during the summer months. Our guide managed to pack virtually no information into his tour, regaling us with anecdotes about where he used to work and women he knew in Grantham. He seemed to know surprisingly little about the geology and history of the caves and filled most of his talk with waffle. The caves themselves are pretty much just plain rock - not spectacular, no stalactites and mainly limestone. At one point you do get to see a seam of blue john - one that has been mined out, so there isn't much left. The working parts of the mine are sealed off due to radon gas, If you like slightly claustrophobic holes in the ground with no interesting rocks, then you'll love this. Any normal person would wonder why they bothered.
  • Home of the only seam of the precious mineral "Blue John" in the whole world. Interesting tour and beautiful caverns. Well worth a visit as long as you don't mind stairs!
  • Great place to go, possibly the best of the Castleton Caverns. The guides are friendly and v knowledgeable