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The Andes (/ˈændiːz/ AN-deez), Andes Mountains or Andean Mountain Range (Spanish: Cordillera de los Andes; Quechua: Anti) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is 8,900 km (5,530 mi) long and 200 to 700 km (124 to 435 mi) wide (widest between 18°S and 20°S latitude) and has an average height of about 4,000 m (13,123 ft). The Andes extend from South to North through seven South American countries.: Argentina, Chile, Bolivia, Peru, Ecuador, Colombia and western Venezuela.
Along their length, the Andes are split into several ranges, separated by intermediate depressions. The Andes are the location of several high plateaus—some of which host major cities such as Quito, Bogotá, Cali, Arequipa, Medellín, Bucaramanga, Sucre, Mérida, El Alto and La Paz. The Altiplano Plateau is the world's second-highest after the Tibetan Plateau. These ranges are in turn grouped into three major divisions based on climate: the Tropical Andes, the Dry Andes, and the Wet Andes. (Full article...)
Selected general articles
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Image 1
Coropuna is a dormant compound volcano located in the Andes mountains of southeast-central Peru. The upper reaches of Coropuna consist of several perennially snowbound conical summits, lending it the name Nevado Coropuna in Spanish. The complex extends over an area of 240 square kilometres (93 sq mi) and its highest summit reaches an altitude of 6,377 metres (20,922 ft) above sea level. This makes the Coropuna complex the third-highest of Peru. Its thick ice cap is the most extensive in Earth's tropical zone, with several outlet glaciers stretching out to lower altitudes. Below an elevation of 5,000 metres (16,000 ft), there are various vegetation belts which include trees, peat bogs, grasses and also agricultural areas and pastures.
The Coropuna complex consists of several stratovolcanoes. These are composed chiefly of ignimbrites and lava flows on a basement formed by Middle Miocene ignimbrites and lava flows. The Coropuna complex has been active for at least five million years, with the bulk of the current cone having been formed during the Quaternary. Coropuna has had two or three Holocene eruptions 2,100 ± 200 and either 1,100 ± 100 or 700 ± 200 years ago which generated lava flows, plus an additional eruption which may have taken place some 6,000 years ago. Current activity occurs exclusively in the form of hot springs. (Full article...) -
Image 2
Pico El León is a mountain in the Andes of Venezuela. It has a height of 4740 metres. (Full article...) -
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Los Nevados National Natural Park (Spanish: Parque Nacional Natural Los Nevados) is a national park located in the Cordillera Central of the Colombian Andes. The park surrounds the northern volcanic complex formed by Nevado del Ruiz, Nevado del Tolima, Nevado de Santa Isabel, the paramillos of Cisne, Santa Rosa and Quindío and the Cerro Bravo and Cerro Machín.
The park is located in the departments of Caldas, Quindío, Risaralda, Tolima and spans between the municipalities Manizales, Villamaría, Santa Rosa de Cabal, Pereira, Salento, Villahermosa, Anzoátegui, Santa Isabel, Murillo, Ibagué and Casabianca. (Full article...) -
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Tata Sabaya is a 5,430-metre (17,810 ft) high volcano in Bolivia. It is part of the Central Volcanic Zone, one of several volcanic belts in the Andes which are separated by gaps without volcanic activity. This section of the Andes was volcanically active since the Jurassic, with an episode of strong ignimbritic volcanism occurring during the Miocene. Tata Sabaya lies in a thinly populated region north of the Salar de Coipasa salt pan.
Volcanic activity at Tata Sabaya and elsewhere in the Central Volcanic Zone is the consequence of the subduction of the Nazca Plate beneath the South America Plate. The volcano has developed along a lineament that separates older crust north of the lineament from younger crust in the south, and the edifice has been formed by andesitic rocks. (Full article...) -
Image 5Cerro Castillo Dynevor, also known as Castillo Dynevor is located on the northwest coast of Skyring Sound, in Magallanes Region, Chile. It is named after its resemblance with Dynevor Castle in Wales, which was noticed by British explorers in 1830.
Its access is quite harsh due to the nature that all roads end about 30 km from it, and the rest of the way must be done either on a 4x4 vehicle, motorcycle, horse or on foot, either way the appropriate track is just by the shore, not through the woods, as they are too dense. (Full article...) -
Image 6
The Sierra Nevada del Cocuy Chita or Guican National Natural Park (or Sierra Nevada de Chita or Sierra Nevada de Güicán, Spanish: Parque Natural Sierra Nevada del Cocuy Chita o Guican is a national park and a series of highlands and glaciated peaks located within the Cordillera Oriental mountain range in the Andes Mountains of Colombia, at its easternmost point. It also corresponds to the highest range of the Eastern Cordillera and holds the biggest glacial mass in South America, north of the Equator. Since 1977, this region is protected within a National Natural Park (NNP-Cocuy) because of its fragile páramos, extraordinary bio-diversity and endemism, and its function as a corridor for migratory species under conditions of climate change. Among the Sierra’s natural attractions are the remaining 18 ice-covered peaks (there were as many as 25 in the recent past), glacial lakes and waterfalls. (Full article...) -
Image 7
Chinchillas are either of two species (Chinchilla chinchilla and Chinchilla lanigera) of crepuscular rodents of the parvorder Caviomorpha, and are native to the Andes mountains in South America. They live in colonies called "herds" at high elevations up to 4,270 m (14,000 ft). Historically, chinchillas lived in an area that included parts of Bolivia, Peru and Chile, but today, colonies in the wild are known only in Chile. Along with their relatives, viscachas, they make up the family Chinchillidae. They are also related to the chinchilla rat.
The chinchilla has the densest fur of all mammals that live on land, with around 20,000 hairs per square centimeter and 50 hairs growing from each follicle. In the water, the sea otter has a denser coat. The chinchilla is named after the Chincha people of the Andes, who once wore its dense, velvet-like fur. By the end of the 19th century, chinchillas had become quite rare after being hunted for their notably soft fur. Most chinchillas currently used by the fur industry for clothing and other accessories are farm-raised. Domestic chinchillas descended from C. lanigera are sometimes kept as pets, and may be considered a type of pocket pet. (Full article...) -
Image 8
The Andean condor (Vultur gryphus) is a South American New World vulture and is the only member of the genus Vultur. It is found in the Andes mountains and adjacent Pacific coasts of western South America. With a maximum wingspan of 3.3 m (10 ft 10 in) and weight of 15 kg (33 lb), the Andean condor is one of the largest flying birds in the world, and is generally considered to be the largest bird of prey in the world.
It is a large black vulture with a ruff of white feathers surrounding the base of the neck and, especially in the male, large white patches on the wings. The head and neck are nearly featherless, and are a dull red color, which may flush and therefore change color in response to the bird's emotional state. In the male, there is a wattle on the neck and a large, dark red comb or caruncle on the crown of the head. The female condor is smaller than the male, an exception to the usual sexual dimorphism seen in birds of prey. (Full article...) -
Image 9
Huascarán (Spanish pronunciation: [waskaˈɾan]) (Quechua: Waskaran), Nevado Huascarán or Mataraju is a mountain located in Yungay Province, Department of Ancash, Peru. It is situated in the Cordillera Blanca range of the western Andes. The southern summit of Huascarán (Huascarán Sur), which reaches 6,768 metres (22,205 ft), is the highest point in Peru, the northern Andes (north of Lake Titicaca), and in all of the earth's Tropics. Huascarán is the 4th highest mountain in South America after Aconcagua, Ojos del Salado, and Monte Pissis. Huascarán is ranked 25th by topographic isolation. (Full article...) -
Image 10
Cerro Macá is a stratovolcano located to the north of the Aisén Fjord and to the east of the Moraleda Channel, in the Aysén del General Carlos Ibáñez del Campo Region of Chile. This glacier-covered volcano lies along the regional Liquiñe-Ofqui Fault Zone.
Cerro Macá is a relatively small volcano with a volume of only 39 cubic kilometres (9.4 cu mi). It has a summit elevation of approximately 2,300 m above sea level and features glaciers that in 2011 covered an area of 27.62 square kilometres (10.66 sq mi). The edifice is partially eroded and a sector collapse is probably the origin of a large steep sided depression in the summit area. Pyroclastic cones with associated lava flows are found on its southwestern flank but also on the other slopes of the volcano, as far down as sea level and in the Bahia Aysen. (Full article...) -
Image 11
Lake Mitococha or Mitucocha (possibly from Quechua mit'u, mitu mud, qucha lake, "mud lake") is a lake in Peru located in Huanuco Region, Lauricocha Province, Queropalca District. It has an elevation of 4,270 metres (14,009 ft) above sea level. It lies on the east side of the Huayhuash mountain range, northeast of Mituraju and Rondoy. Lake Mitococha is 0.83 km long and 0.3 km at its widest point. (Full article...) -
Image 12
The Pico Piedras Blancas (also known as Misamán), at 4,737 metres (15,541 ft), is the highest mountain of the Sierra de la Culata range in the Mérida State, and the fifth-highest mountain in Venezuela. Its name, meaning "White Stones", is of uncertain origin, since the massif is predominantly grey in color. Pico Piedras Blancas lacks glaciers; however, seasonal snowfalls may briefly cover its flanks. From its summit and under clear conditions, Lake Maracaibo can be seen. One of the accesses to reach the base of the mountain, is through the Mifafí Condor Reserve, which hosts some specimens of this andean bird. (Full article...) -
Image 13
Chumpe (possibly from chumpi Jaqaru for corn with yellow seeds and Quechua for belt; or ch'umpi Jaqaru for red and Quechua for brown), is a mountain in the north of the Pariacaca mountain range in the Andes of Peru, about 5,200 metres (17,060 ft) high. It is situated in the Junín Region, Yauli Province, in the districts of Huay-Huay and Yauli District. Chumpe lies east of Lake Pumacocha. The mining town of San Cristóbal is situated at its feet. (Full article...) -
Image 14
Nevado Juncal is a mountain at the border of Argentina and Chile, at the head of Aconcagua Val. It has a height of 5,953 metres (19,531 ft). It is located at La Yesera, Los Andes Department, Valparaíso Region, at the Central Andes. The mountain hosts several glaciers including the Juncal Norte and Juncal Sur. (Full article...) -
Image 15
Hudson Volcano (Spanish: Volcán Hudson, Spanish: Cerro Hudson, Monte Hudson) is a volcano in the rugged mountains of southern Chile. Lying in the Southern Volcanic Zone of the Andes, it was formed by the subduction of the oceanic Nazca Plate under the continental South American Plate. The Nazca Plate ends there at the Chile Triple Junction; south of Hudson is a smaller volcano, followed by a long gap without active volcanoes that separates the Southern Volcanic Zone from the Austral Volcanic Zone. Hudson has the form of a 10-kilometre-wide (6-mile) volcanic caldera filled with ice. The Huemules Glacier emerges from the northwestern side of the caldera. The volcano has erupted rocks ranging from basalt to rhyolite, but large parts of the caldera are formed by non-volcanic rocks.
The volcano erupted numerous times in the late Pleistocene and Holocene, forming widespread tephra deposits both in the proximity of Hudson and in the wider region, and is the most active volcano in the region. The last eruption was in 2011. (Full article...) -
Image 16Paruma is a stratovolcano that lies on the border of Bolivia and Chile. It is part of a ridge that contains several stratovolcanos. Paruma lies at the eastern end of the ridge, with Olca to its west. The older volcano Paruma lies to east of Paruma. Paruma has clearly been active during the Holocene, with many morphologically young lava flows on its flanks. It also has persistent fumaroles. One lava flow in particular extends for 7 kilometres to the south-east of the peak. Historical activity along the ridge has been confined to one eruption from 1865 to 1867, the character of which is not precisely known. (Full article...)
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Image 17
Cotopaxi (Spanish pronunciation: [kotoˈpaksi]) is an active stratovolcano in the Andes Mountains, located near Latacunga city of Cotopaxi Province, about 50 km (31 mi) south of Quito, and 31 km (19 mi) northeast of the city of Latacunga, Ecuador. It is the second highest summit in Ecuador, reaching a height of 5,897 m (19,347 ft). Cotopaxi is among the highest active volcanoes in the world.
Cotopaxi is known to have erupted 87 times, resulting in the creation of numerous valleys formed by lahars (mudflows) around the volcano. An ongoing eruption began on 21 October 2022. (Full article...) -
Image 18
Ritacuba Blanco is the highest peak of Cordillera Oriental, in the Andes Mountains of Colombia. It's also named Ritak'uwa, an ancient name from the U'wa indigenous people that live in the lowlands of the National Park Sierra Nevada del Cocuy y Güicán, where the Ritacuba Blanco is located.
The summit is accessible from the west via the town of El Cocuy, the village of Güicán, and the hamlet of Las Cabañas. The hike is fairly easy, but the weather is not reliable, and a glacier must be crossed.
Because of global warming, its glacier is melting at very high rates, backing down 25 linear mts per year; the same is happening at amazing speeds to all other snow-covered tropical mountains in Colombia. In 1950, Ritacuba Blanco's glacier extended down to 4,100 metres (13,500 ft) above sea level; in January 2007 its lowest point was at 4,500 metres (14,800 ft) above sea level. If this melting rate continues, the glacier is expected to disappear before 2055. (Full article...) -
Image 19
Iruputuncu (possibly from Aymara iru spiny Peruvian feather grass, phutunqu a small vessel or a hole, pit, crater) is a mountain in the Andes in the Cordillera Occidental on the border of Bolivia and Chile. The Chilean side is in the Tarapacá Region, and the Bolivian side is in the Potosí Department, Daniel Campos Province, Llica Municipality. Iruputuncu is southeast of Mount Candelaria, west of the Salar de Uyuni salt flat and south of the Umani. It is about 4,200 m (13,780 ft) high. (Full article...) -
Image 20
Huayna Potosí is a mountain in Bolivia, located near El Alto and about 25 km north of La Paz in the Cordillera Real.
Huayna Potosí is the closest high mountain to La Paz. Surrounded by high mountains, it is roughly 15 miles due north of the city, which makes this mountain the most popular climb in Bolivia. The normal ascent route is a fairly straightforward glacier climb, with some crevasses and a steep climb to the summit. However, the other side of the mountain—Huayna Potosí West Face—is the biggest face in Bolivia. Several difficult snow and ice routes ascend this 1,000-meter-high face. (Full article...) -
Image 21
Cerro Mercedario is the highest peak of the Cordillera de la Ramada range and the eighth-highest mountain of the Andes. It is located 100 km to the north of Aconcagua, in the Argentine province of San Juan. (Full article...) -
Image 22
Laram Q'awa (Aymara larama blue, q'awa little river, ditch, crevice, fissure, gap in the earth, "blue brook" or "blue ravine", Hispanicized spellings Laram Khaua, Larancagua) is a 5,182-metre-high (17,001 ft) mountain in the Andes. According to the Bolivian IGM map 1:50,000 'Nevados Payachata Hoja 5739-I' it is situated on Bolivian terrain in the La Paz Department, Pacajes Province (Charaña Municipality), at the border with Chile. It lies north-west of the mountains Kunturiri, Phaq'u Q'awa and another mountain on the border named Laram Q'awa (Laram Khaua). One of three different rivers of this area called Kunturiri (Condoriri) originates north-east of the mountain near Phaq'u Q'awa. It flows in a bow along the northern slopes of Laram Q'awa towards Chile. (Full article...) -
Image 23
Lake Titicaca (/tɪtɪˈkɑːkə/; Spanish: Lago Titicaca [ˈlaɣo titiˈkaka]; Quechua: Titiqaqa Qucha) is a large freshwater lake in the Andes mountains on the border of Bolivia and Peru. It is often called the highest navigable lake in the world. Titicaca is the largest lake in South America both in terms of the volume of water and surface area.
Lake Titicaca has a surface elevation of 3,812 m (12,507 ft). The "highest lake" claim is generally considered to refer to commercial craft. Numerous smaller lakes around the world are at higher elevations. For many years, the largest vessel afloat on the lake was the 2,200-ton (2,425 U.S. tons), 79 m (259 ft) SS Ollanta. Today, the largest vessel is most likely the similarly sized train barge/float Manco Capac, operated by PeruRail. (Full article...) -
Image 24
El Cocuy National Park is a national park located in the Andes Mountains within the nation of Colombia. Its official name is Parque Nacional Natural El Cocuy. (Full article...) -
Image 25
The Junin grebe (Podiceps taczanowskii), also known as Junin flightless grebe or puna grebe, is a species of grebe endemic to Lake Junin in the Andean highlands of Junin in west-central Peru. An endangered species, the current population is estimated at 300–400 individuals, including 140–320 adults. (Full article...)
Did you know...
- ... that the 1930s Polish Andean expeditions have been credited with several first ascents and the tracing of a new route to the summit of Aconcagua, the Andes' highest peak?
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Selected images
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Image 4Irrigating land in the Peruvian Andes (from Andes)
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Image 5Bolivian Andes (from Andes)
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Image 9Pico Humboldt at sunset (from Andes)
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Image 11A male Andean cock-of-the-rock, a species found in humid Andean forests and the national bird of Peru (from Andes)
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Image 17Aerial view of Valle Carbajal in the Tierra del Fuego. The Andes range is about 200 km (124 mi) wide throughout its length, except in the Bolivian flexure where it is about 640 kilometres (398 mi) wide. (from Andes)
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Image 18Central Andes (from Andes)
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Image 19Peruvian farmers sowing maize and beans (from Andes)
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