Pennines Pennines The Pennines , also known as the Pennine Chain or Pennine Hills, are a range of mountains and hills in England separating North West England from Yorkshire and North East England. Often described as the "backbone of England", the Pennine Hills form a more-or-less continuous range stretching northwards from the Peak District in the northern Midlands, through the South Pennines, Yorkshire Dales and North Pennines up to the Tyne Gap, which separates the range from the Cheviot Hills. Some definitions of the Pennines also include the Cheviot Hills while excluding the southern Peak District. South of the Aire Gap
Island range to their isolation, often have animal and/or plant species or subspecies found nowhere else. Island range An island range is a mountain range that exists in total or almost total isolation from a larger chain of ranges and sub-ranges. From a distance on the plains, these ranges appear as "islands" of higher ground. They are often described as islands of mountainous land because they exist in the "sea" of lower elevation and flatter prairie country; many examples are found in the northern Rocky Mountains of the United States. Island ranges include the Big Snowy Mountains of east-central Montana, the Crazy