Treak Cliff Cavern

Captivating Treak Cliff has a forest of stalactites and exposed seams of colorful Blue John Stone, which is still mined to supply the jewelry trade. Audio tours (downloadable from the website) focus on the history of mining – prebook a timeslot online). Check too for details of workshops where you can polish your own Blue John Stone. It's just under a mile west of Castleton's village center.