Mountains and hills of England the Pennines (often called "the backbone of England") continues into the Yorkshire Dales, a limestone-dominated area of broad valleys and moorland. The Yorkshire Three Peaks are some of the highest summits in the area, which became a national park in 1954. The Yorkshire Dales end at Skipton, and a short distance to the south is a range of moors that rises up between the urban cores of Greater Manchester and West Yorkshire. The range has no continuous name - the western part as far as Blackburn is called the West Pennine Moors, the eastern part north of the A646 (including
Potosí mountain range Potosí mountain range The Potosí mountain range in Bolivia is situated east and southeast of the city of Potosí. It is at least 25 km long stretching from north to south. Its highest mountain is Khunurana (Anaruyu) rising up to 5,071 m (16,637 ft). The features of the range are considered the product of volcanic activity known as the Khari Khari caldera (19º43'S; 65º38'W). The caldera is about 40 km long and 25 km at its widest point. The range was named "Cordillera de Potosí" by the German alpinist Henry Hoek in 1903. He collected information about the range like