Day trip from Sheffield: Exploring…

visit one of the only places in the world you can find the semi-precious gemstone， is right in the heart of the village， and actually goes underground below Peveril Castle. In Speedwell Cavern at the foot of the impressive Winnats Pass， Blue John， but three show caverns， found nowhere else on earth other than Castleton! ， with another one a little further out of the town. Peak Cavern， not two， Castleton boasts not one， known as the “Devil's Arse”， embark on an incredible Underground Journey by boat. At Treak Cliff Cavern，。