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
Knuckles Mountain Range shrubs, and herbs are only found in these forests. Cultivation of cardamom at large scale in the montane forests is a major threat to the fragile forest ecosystem. Invasive exotic plant species such as Mist Flower ("Ageratina riparia") that increasingly spread into montane forest areas and montane grasslands destroy the unique native Sri Lankan flora. Knuckles Mountain Range The Knuckles Mountain Range lies in central Sri Lanka, in the Districts of Matale and Kandy. The range takes its name from a series of recumbent folds and peaks in the west of the massif which resemble the knuckles of clenched fist