Britain's longest network of underground caves, between Cumbria, Lancashire and Yorkshire, has been linked up after years of hard work. See more
The Caves under and around Ease Gill on the Cumbria/Lancashire of border of the UK form the longest and most complex system in Britain. The system extends beneath Casterton, Leck and Ireby Fells around the western and southern flanks of Gregareth Hill, with around 75Km of passages. The caves are formed in the Carboniferous (Dinantian) Great Scar Limestone. They contain a wide range of passage types, sediments and speleothems. Read more