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
Backbone Trail Backbone Trail The Backbone Trail is a long distance trail extending 67.79 miles (109.10 km) across the length of the Santa Monica Mountains in the U.S. state of California. Its western terminus is Point Mugu State Park and its eastern terminus is Will Rogers State Historic Park in Pacific Palisades. The trail is open to hikers throughout its length; dogs, mountain bicyclists and horseback riders are allowed on portions of the trail as posted. Construction on the backbone trail began in the early 1980s, and involved the cooperation of the National Park Service, the California Department of Parks and Recreation,