A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arisen from the same cause, usually an orogeny . Mountain ranges are formed by a variety of geological processes, but most of the significant ones on Earth are the result of plate tectonics . Mountain ranges are also found on many planetary mass objects in the Solar System and are likely a feature of most terrestrial planets .
36-544: The Salmon River Mountains are a major mountain range in the western United States , covering most of the central part of Idaho . The range exceeds 120 miles (190 km) in length and its boundaries are usually defined by the Salmon River and its large tributary forks. Part of the central Rocky Mountains , the entire range lies west of the continental divide and drains to the Snake River . The highest peak
72-835: A mild, generally humid climate, influenced by the North Atlantic Current . Western Europe is a heatwave hotspot, exhibiting upward trends that are three-to-four times faster compared to the rest of the northern midlatitudes. Western European languages mostly fall within two Indo-European language families: the Romance languages , descended from the Latin of the Roman Empire ; and the Germanic languages , whose ancestor language ( Proto-Germanic ) came from southern Scandinavia . Romance languages are spoken primarily in
108-530: A very high and in some cases increasing measure of control from Moscow. Although some countries were officially neutral , they were classified according to the nature of their political and economic systems. This division largely defines the popular perception and understanding of Western Europe and its borders with Eastern Europe . The world changed dramatically with the fall of the Iron Curtain in 1989. West Germany peacefully absorbed East Germany , in
144-585: Is White Mountain , at 10,442 feet (3,183 m) above sea level ; five peaks have summits exceeding 10,000 feet (3,050 m), and the three major subranges are defined by other forks of the Salmon River: the West, Central, and East Salmon River Mountains. The mountains are an extensive block-shaped massif in central Idaho, with their western boundary defined by the Little Salmon River and
180-735: Is a multilingual thesaurus maintained by the Publications Office of the European Union . In this thesaurus, the countries of Europe are grouped into sub-regions. The following countries are included in the sub-group Western Europe: The Western European and Others Group is one of several unofficial Regional Groups in the United Nations that act as voting blocs and negotiation forums. Regional voting blocs were formed in 1961 to encourage voting to various UN bodies from different regional groups. The European members of
216-538: Is at work while the mountains are being uplifted until the mountains are reduced to low hills and plains. The early Cenozoic uplift of the Rocky Mountains of Colorado provides an example. As the uplift was occurring some 10,000 feet (3,000 m) of mostly Mesozoic sedimentary strata were removed by erosion over the core of the mountain range and spread as sand and clays across the Great Plains to
252-758: Is the largest religion in Western Europe. According to a 2018 study by the Pew Research Center , 71.0% of Western Europeans identified as Christians. In 1054, the East–West Schism divided Christianity into Western Christianity and Eastern Christianity . This split Europe in two, with Western Europe primarily under the Catholic Church , and Eastern Europe primarily under the Eastern Orthodox Church . Ever since
288-749: Is the western region of Europe . The region's extent varies depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean world, the Roman Empire (both Western and Eastern ), and medieval " Christendom ". Beginning with the Renaissance and the Age of Discovery , roughly from the 15th century, the concept of Europe as "the West " slowly became distinguished from and eventually replaced
324-865: The Alpide belt . The Pacific Ring of Fire includes the Andes of South America, extends through the North American Cordillera , the Aleutian Range , on through Kamchatka Peninsula , Japan , Taiwan , the Philippines , Papua New Guinea , to New Zealand . The Andes is 7,000 kilometres (4,350 mi) long and is often considered the world's longest mountain system. The Alpide belt stretches 15,000 km across southern Eurasia , from Java in Maritime Southeast Asia to
360-551: The Annamite Range . If the definition of a mountain range is stretched to include underwater mountains, then the Ocean Ridge forms the longest continuous mountain system on Earth, with a length of 65,000 kilometres (40,400 mi). The position of mountain ranges influences climate, such as rain or snow. When air masses move up and over mountains, the air cools, producing orographic precipitation (rain or snow). As
396-676: The Baltic to Trieste in the Adriatic an iron curtain has descended across the Continent. Behind that line lie all the capitals of the ancient states of Central and Eastern Europe . Warsaw , Berlin , Prague , Vienna , Budapest , Belgrade , Bucharest and Sofia ; all these famous cities and the populations around them lie in what I must call the Soviet sphere, and all are subject, in one form or another, not only to Soviet influence but to
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#1732764844001432-880: The German reunification . Comecon and the Warsaw Pact were dissolved, and in 1991, the Soviet Union ceased to exist. Several countries which had been part of the Soviet Union regained full independence. In 1948 the Treaty of Brussels was signed between Belgium , France , Luxembourg , the Netherlands and the United Kingdom . It was further revisited in 1954 at the Paris Conference , when
468-804: The Iberian Peninsula in Western Europe , including the ranges of the Himalayas , Karakoram , Hindu Kush , Alborz , Caucasus , and the Alps . The Himalayas contain the highest mountains in the world, including Mount Everest , which is 8,848 metres (29,029 ft) high. Mountain ranges outside these two systems include the Arctic Cordillera , Appalachians , Great Dividing Range , East Siberians , Altais , Scandinavians , Qinling , Western Ghats , Vindhyas , Byrrangas , and
504-568: The Mithrim Montes and Doom Mons on Titan, and Tenzing Montes and Hillary Montes on Pluto. Some terrestrial planets other than Earth also exhibit rocky mountain ranges, such as Maxwell Montes on Venus taller than any on Earth and Tartarus Montes on Mars . Jupiter's moon Io has mountain ranges formed from tectonic processes including the Boösaule , Dorian, Hi'iaka and Euboea Montes . Western Europe Western Europe
540-644: The Payette River , also a Snake River tributary. The height of the mountains gradually increases from west to east, sloping up towards the continental divide along the border with Montana . The ten highest peaks are all in the eastern subrange, while the highest peak in the central mountains is Big Baldy, at 9,705 feet (2,958 m). The highest mountain in the western subrange is North Loon Mountain, at 9,322 feet (2,841 m). Mountain range Mountain ranges are usually segmented by highlands or mountain passes and valleys . Individual mountains within
576-771: The Reformation in the 16th century, Protestantism has also been a major denomination in Europe, with Eastern Protestant and Eastern Catholic denominations also emerging in Central and Eastern Europe . During the four decades of the Cold War , the definition of East and West was simplified by the existence of the Eastern Bloc . A number of historians and social scientists view the Cold War definition of Western and Eastern Europe as outdated or relegating. During
612-524: The Roman conquest, a large part of Western Europe had adopted the newly developed La Tène culture . As the Roman domain expanded, a cultural and linguistic division appeared between the mainly Greek -speaking eastern provinces, which had formed the highly urbanised Hellenistic civilisation , and the western territories, which in contrast largely adopted the Latin language. This cultural and linguistic division
648-514: The Soviet Union . With the onset of the Cold War, Europe was divided by the Iron Curtain . This term had been used during World War II by German Propaganda Minister Joseph Goebbels and, later, Count Lutz Schwerin von Krosigk in the last days of the war; however, its use was hugely popularised by Winston Churchill, who used it in his famous "Sinews of Peace" address on 5 March 1946 at Westminster College in Fulton, Missouri : From Stettin in
684-740: The Western European Union was established. It was declared defunct in 2011 after the Treaty of Lisbon , and the Treaty of Brussels was terminated. When the Western European Union was dissolved, it had 10 member countries. Additionally, it had 6 associate member countries, 7 associate partner countries and 5 observer countries. The United Nations geoscheme is a system devised by the United Nations Statistics Division (UNSD) which divides
720-706: The " Far West ". The term Far West became synonymous with Western Europe in China during the Ming dynasty . The Italian Jesuit priest Matteo Ricci was one of the first writers in China to use the Far West as an Asian counterpart to the European concept of the Far East . In Ricci's writings, Ricci referred to himself as "Matteo of the Far West". The term was still in use in the late 19th and early 20th centuries. Christianity
756-556: The CIA classification a little more liberally and including "South-Western Europe", would give the following calculation of Western Europe's population. The Hague is the seat of government The climate of Western Europe varies from Mediterranean in the coasts of Italy , Portugal and Spain to alpine in the Pyrenees and the Alps . The Mediterranean climate of the south is dry and warm. The western and northwestern parts have
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#1732764844001792-775: The Eastern Orthodox Church, by the Muslim Ottoman Empire in the 15th century, and the gradual fragmentation of the Holy Roman Empire (which had replaced the Carolingian Empire ), the division between Roman Catholic and Protestant became more important in Europe than that with Eastern Orthodoxy. In East Asia , Western Europe was historically known as taixi in China and taisei in Japan, which literally translates as
828-661: The Eastern Roman Empire, mostly known as the Greek or Byzantine Empire , survived and even thrived for another 1000 years. The rise of the Carolingian Empire in the west, and in particular the Great Schism between Eastern Orthodoxy and Roman Catholicism , enhanced the cultural and religious distinctiveness between Eastern and Western Europe. After the conquest of the Byzantine Empire , center of
864-627: The air descends on the leeward side, it warms again (following the adiabatic lapse rate ) and is drier, having been stripped of much of its moisture. Often, a rain shadow will affect the leeward side of a range. As a consequence, large mountain ranges, such as the Andes, compartmentalize continents into distinct climate regions . Mountain ranges are constantly subjected to erosional forces which work to tear them down. The basins adjacent to an eroding mountain range are then filled with sediments that are buried and turned into sedimentary rock . Erosion
900-604: The countries of the world into regional and subregional groups, based on the M49 coding classification . The partition is for statistical convenience and does not imply any assumption regarding political or other affiliation of countries or territories. In the UN geoscheme, the following countries are classified as Western Europe: The CIA classifies seven countries as belonging to "Western Europe": The CIA also classifies three countries as belonging to "Southwestern Europe": EuroVoc
936-618: The dominant use of "Christendom" as the preferred endonym within the area. By the Age of Enlightenment and the Industrial Revolution , the concepts of " Eastern Europe " and "Western Europe" were more regularly used. The distinctiveness of Western Europe became most apparent during the Cold War , when Europe was divided for 40 years by the Iron Curtain into the Western Bloc and Eastern Bloc , each characterised by distinct political and economical systems. Prior to
972-485: The east. This mass of rock was removed as the range was actively undergoing uplift. The removal of such a mass from the core of the range most likely caused further uplift as the region adjusted isostatically in response to the removed weight. Rivers are traditionally believed to be the principal cause of mountain range erosion, by cutting into bedrock and transporting sediment. Computer simulation has shown that as mountain belts change from tectonically active to inactive,
1008-672: The final stages of World War II , the future of Europe was decided between the Allies in the 1945 Yalta Conference , between the British Prime Minister , Winston Churchill , the U.S. President , Franklin D. Roosevelt , and the Premier of the Soviet Union , Joseph Stalin . Post-war Europe was divided into two major spheres: the Western Bloc , influenced by the United States , and the Eastern Bloc , influenced by
1044-551: The group are: In addition, Australia , Canada , Israel and New Zealand are members of the group, with the United States as observer. Using the CIA classification strictly would give the following calculation of Western Europe's population. All figures based on the projections for 2018 by the Population Division of the United Nations Department of Economic and Social Affairs . Using
1080-682: The mountains east of the Middle Fork. Although the northwestern corner of the range is only about thirty miles (50 km) southeast of the river port of Lewiston , the Salmon River Mountains occupy one of the remotest areas in the contiguous United States. The southeastern portion of the range is bounded by the White Knob , Pioneer , and Boulder Mountains , and the basins of Marsh Creek, Valley Creek, and Warm Spring Creek. The southwestern boundaries are formed by forks of
1116-614: The northern and eastern boundary marked by the main stem Salmon. It is a block-shaped region 102 miles (164 km) north-south and 122 miles (196 km) east-west, covering nearly 8,900 square miles (23,000 km). The West Salmon River Mountains lie between the Little and South Forks of the Salmon, the Central range is between the South and Middle Forks , and the East range is defined by
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1152-408: The protection of regional and minority languages are recognised political goals in Western Europe today. The Council of Europe Framework Convention for the Protection of National Minorities and the Council of Europe's European Charter for Regional or Minority Languages set up a legal framework for language rights in Europe. Western Europe is one of the richest regions of the world. Germany has
1188-516: The rate of erosion drops because there are fewer abrasive particles in the water and fewer landslides. Mountains on other planets and natural satellites of the Solar System, including the Moon , are often isolated and formed mainly by processes such as impacts, though there are examples of mountain ranges (or "Montes") somewhat similar to those on Earth. Saturn 's moon Titan and Pluto , in particular, exhibit large mountain ranges in chains composed mainly of ices rather than rock. Examples include
1224-419: The same mountain range do not necessarily have the same geologic structure or petrology . They may be a mix of different orogenic expressions and terranes , for example thrust sheets , uplifted blocks , fold mountains, and volcanic landforms resulting in a variety of rock types . Most geologically young mountain ranges on the Earth's land surface are associated with either the Pacific Ring of Fire or
1260-430: The southern and central part of Western Europe, Germanic languages in the northern part (the British Isles and the Low Countries ), as well as a large part of Northern and Central Europe . Other Western European languages include the Celtic group (that is, Irish , Scottish Gaelic , Manx , Welsh , Cornish and Breton ) and Basque , the only currently living European language isolate . Multilingualism and
1296-424: Was eventually reinforced by the later political east–west division of the Roman Empire . The Western Roman Empire and the Eastern Roman Empire controlled the two divergent regions between the 3rd and the 5th centuries. The division between these two was enhanced during late antiquity and the Middle Ages by a number of events. The Western Roman Empire collapsed , starting the Early Middle Ages . By contrast,
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