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cave located on Greenhow Hill on the road between Grassington and
Pateley Bridge. Discovered by miners in 1860, there are over 4
miles (6km) of cave here about half a mile (800m) of which are open to
the public. Tours here are self-guided. In 1963 Geoffery Workman spent 103 days underground here to study the effects of isolation on the body. The
tourist route was extended in the year 2000 to include the Reindeer
Cavern. Several fossils have been discovered in the caverns and
include reindeer, wolverine and bison.