An
interesting but relatively easy trip is Scoska Cave, about halfway
between Litton and Arncliffe on the south side of Littondale. It's
large, imposing entrance is in Scoska Wood about 230 feet (70m) above
the River Skirfare at the head of Gildersbank Sike. Nearby
and hydrologically connected to Scoska is Bown Scar Cave, a
more challenging trip. Here
are some pictures of Scoska Cave: