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About this place
Treak Cliff Cavern is a show cave beside the village of Castleton in Derbyshire, in the Peak District. Inside the hillside you will find bands of Blue John, a rare ornamental mineral, together with stalactites that rank among the finest in the area.
What makes this cave special?
The cavern sits within the Castleton Site of Special Scientific Interest. It is one of only two places where Blue John, a banded purple and yellow fluorite, is still dug. The veins that visitors see are left untouched. Small amounts of stone are taken from other parts of the cave and turned into jewellery, bowls and small ornaments.
The story starts with miners chasing that very mineral, and digging peaked during the First World War. A new series of chambers was found in 1926, and the cave welcomed its first paying visitors in 1935. Two further Blue John veins turned up in 2013 and 2015.
What will you see underground?
The route passes through several named chambers. In Aladdin's Cave, multicoloured flowstone covers the walls. Fairyland and the Dream Cave are hung with stalactites that official material describes as some of the best in the Peak District. A formation called The Stork is among the best known, and the Witch's Cave is also part of the visit. Throughout, bands of Blue John run through the rock.
How does the visit work?
The tour is self-guided through a smartphone app and takes about 45 minutes. The cave has 196 steps, with no more than 30 in any one flight. The lowest point is in the entrance tunnel, at roughly 137 cm (4 ft 6 in), so taller visitors will need to stoop. Bring a warm layer and shoes with good grip, as the cave is cool and damp.
How should you plan your trip?
Buy tickets ahead on the cave's website, which assigns an entry slot. A shop on site sells items made from Blue John, so you can take home a piece of the local stone. Castleton lies in the Hope Valley, easy to reach by car or bus from Sheffield and Manchester, with walking routes and other caves close by.
Frequently asked questions
How long does a visit to Treak Cliff Cavern take?
About 45 minutes. The tour is self-guided and uses a phone app.
Is it suitable for children and older visitors?
The route has 196 steps, never more than 30 together, so the climbing is spread out. The entrance tunnel is low, at 137 cm.
What is Blue John?
A rare fluorite with purple and yellow bands, used for jewellery and ornaments. Treak Cliff is one of two sites where it is still extracted.
Do I need to book?
Booking online is recommended, and your ticket gives you a timed entry slot.
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