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We've compiled the best of the best in Castleton - browse our top choices for the top things to see or do during your stay.
The area's most exciting cavern has 106 slippery steps leading down to tunnels blasted out by 19th-century lead miners. You transfer to a small boat for the claustrophobic ¼-mile trip through an illuminated access tunnel to the cavern itself. At this point you're 600 feet underground, with views down into the so-called Bottomless Pit, which is filled with water. An on-site shop sells items made of Blue John, a mineral found nowhere else in the world.
Caves riddle the town and surrounding area, and in this massive example, rope making has been done on a great ropewalk for more than 400 years—as evidenced by the remains of a rope-makers' village dating from the 17th century. Some trivia to keep kids amused: the cavern was called the "Devil's Arse" due to the flatulent noise that water makes when draining out of the caves. Events held here include pop-up cinemas, concerts, and Christmas carols.
