Enter an Ancient Underground Wonderland in the Heart of the Peak District National Park. Your guide will explain how miners in the 1750’s constructed a tunnel using only hand tools to reach the Blue John Stone deposits inside the hill. You will see veins of Blue John Stone across the cave roof, and ‘The Pillar’, the largest piece ever found. Read more…

The Blue John Cavern at Castleton in the Peak District is world famous.  It is home to eight of the fourteen known varieties of Blue John stone, a beautiful and ornamental fluor-spar.  The mineral has been mined here for centuries and continues to be in the winter months.  Miners armed with picks and shovels pursue the stone deep in the mine Read more…