The Yorkshire Dales National Park is in northern England. It has thousands of square miles of moors, valleys, hills and villages. With limestone cave systems are a major area for caving and numerous walking trails run through the hills and dales. The scenery in the Dales is green upland pastures separated by dry-stone walls and grazed by sheep and cattle, many of the walks will go via public footpaths through farmers fields, so often dogs are required to be on a lead.