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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 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...)
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Image 1
Mount Tarn is a small mountain located on the southernmost part of the Strait of Magellan, in Brunswick Peninsula, about 70 km south of Punta Arenas, Chile. It is in the southern extreme of continental Chile very close to Cape Froward, surrounded by historic places such as Fort Bulnes and Puerto del Hambre (Port Famine).
From the summit it is possible to see the Strait of Magellan, Dawson and Tierra del Fuego islands, and many other smaller ones; the Darwin Mountain Range, Mount Sarmiento, and most of the Brunswick Peninsula. (Full article...) -
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Cumbal is a stratovolcano of the Caribe Terrane, located at the Nudo de los Pastos in Nariño, Colombia. It is the southernmost historically active volcano of Colombia and is together with Chiles and Azufral one of the few volcanoes of the Western Ranges. The volcano is dominated by andesites. (Full article...) -
Image 3View of Tronador mountain from Mascardi Lake, Argentina
Tronador (Spanish: Cerro Tronador) is an extinct stratovolcano in the southern Andes, located along the border between Argentina and Chile, near the Argentine city of Bariloche. The mountain was named Tronador (Spanish for "Thunderer") by locals in reference to the sound of falling seracs. With an altitude of 3,470 metres (11,380 ft), Tronador stands more than 1,000 m above nearby mountains in the Andean massif, making it a popular mountaineering destination. Located inside two national parks, Nahuel Huapi in Argentina and Vicente Pérez Rosales in Chile, Tronador hosts a total of eight glaciers, which are currently retreating due to warming of the upper troposphere. (Full article...) -
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Azufral is a stratovolcano located in the department of Nariño in southern Colombia, 12 km (7 mi) west of the town of Túquerres. It is the only volcano of the Western Ranges of the Colombian Andes. Its name derives from the Spanish word for sulfur, azufre. The volcano is considered semi-dormant but there are numerous fumaroles in the summit crater. The summit of the volcano has an altitude of 4,070 metres (13,350 ft), and the north-western side of the crater contains a crescent-shaped lake named Laguna Verde (English: Green Lake) at 3,970 m (13,025 ft). The lake is 1,100 m (0.68 mi) long and 600 metres (2,000 ft) wide. and its bright green color is a result of the sulfur and iron-based deposits in the crater. There are also two other much smaller lakes in the crater, Laguna Negra (English: Black Lake) and Laguna Cristal (English: Crystal Lake).
The volcano lies within a nature reserve, the Reserva Natural del Azufral, created in 1990. The reserve covers an area of 5,800 hectares (58 km2) and is free of charge to enter. As Azufral is semi-dormant, there are no restrictions on ascending the volcano and visiting Laguna Verde: there is a road that climbs to within 1.5 kilometers (1 mi) from the summit, and the remaining distance can be covered on foot via a trail. (Full article...) -
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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...) -
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Pico Humboldt is Venezuela's second highest peak, at 4,925 metres above sea level. It is located in the Sierra Nevada de Merida, in the Venezuelan Andes of (Mérida State). The peak, its sister peak Pico Bonpland, and the surrounding páramos are protected by the Sierra Nevada National Park. The mountain is named after German explorer and naturalist Alexander von Humboldt. (Full article...) -
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Maipo is a stratovolcano in the Andes, lying on the border between Argentina and Chile. It is located 90 km (56 mi) south of Tupungato and about 100 km (62 mi) southeast of Santiago. It has a symmetrical, conical volcanic shape, and is among the southernmost 5,000 metre peaks in the Andes.
Maipo is located within the Diamante caldera, a feature measuring 15 km by 20 km that is about half a million years old. It rises about 1,900 m (6,230 ft) above the floor of the caldera. Immediately to the east of the peak, on the eastern side of the caldera floor, is Laguna del Diamante, a lake that formed when lava flows blocked drainage channels from the caldera in 1826. The Diamante Caldera erupted 450 cubic kilometers (108 cu mi) of tephra, 450 ka. (Full article...) -
Image 8View from Riobamba (September 2011)
Tungurahua (/tʊŋɡʊˈrɑːwə/; from Quichua tunguri (throat) and rahua (fire), "Throat of Fire") is an active stratovolcano located in the Cordillera Oriental of Ecuador. The volcano gives its name to the province of Tungurahua. Volcanic activity restarted on August 19, 1999, and is ongoing , with several eruptive episodes since then, the most recent lasting from February 26 to March 16, 2016. (Full article...) -
Image 9Pico La Concha as seen from Mérida.
Pico La Concha is a mountain in the Andes of Venezuela. It has a height of 4,922 metres. (Full article...) -
Image 10Patilla Pata is located NW of Nevado Sajama (this latter is in the lower center of this NASA image, with north to the top right corner).
Patilla Pata is a stratovolcano in the Oruro Department in Bolivia. It is situated in the Sajama Province, in the west of the Curahuara de Carangas Municipality, at the border with Chile. Patilla Pata lies south-west of the mountain Jisk'a Kunturiri, north-east of the lake Q'asiri Quta (Khasiri Kkota) and the mountain Qullqi Warani, west of the little lake Sura Pata, south-east of the mountains Laram Q'awa, Kunturiri and Milluni and south of the little lake named Ch'iyar Quta.
The river Junt'uma K'uchu (Aymara junt'u warm, hot, uma water, k'uchu corner, "warm water corner", Junthuma Khuchu) originates south of Patilla Pata. It flows to the south-east as a right affluent of the Sajama River. (Full article...) -
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The Titicaca grebe (Rollandia microptera), also known as the Titicaca flightless grebe or short-winged grebe, is a grebe found on the altiplano of Peru and Bolivia. As its name implies, its main population occurs on Lake Titicaca. Lake Uru Uru and Poopó, the Rio Desaguadero, and small lakes that connect to Lake Titicaca in wet years, serve as "spillovers" territory. In the past, the population was larger and several of these lakes – such as Lakes Umayo and Arapa – apparently had and may still have permanent large colonies (BirdLife International 2006). It is sometimes placed in Podiceps or a monotypic genus Centropelma. Its local name is zampullín del Titicaca. (Full article...) -
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The guanaco (/ɡwɑːˈnɑːkoʊ/ ghwuah-NAH-koh; Lama guanicoe) is a camelid native to South America, closely related to the llama. Guanacos are one of two wild South American camelids; the other species is the vicuña, which lives at higher elevations. (Full article...) -
Image 13Cerro Negro de Mayasquer is a volcano on the border of Colombia and Ecuador. It lies 3 kilometres (2 mi) north-west of the volcano Chiles, and the two peaks are considered part of the same Chiles-Cerro Negro volcanic complex. These volcanoes, together with Cumbal are andesitic in rock type. A 1936 eruption reported by the Colombian government agency INGEOMINAS may have been from the Ecuadorean volcano Reventador, otherwise the volcano has not erupted for around 160,000 years. (Full article...)
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Volcán Marmolejo is a 6,108 m (20,039 ft) high Pleistocene stratovolcano in the Andes on the border between Argentina and Chile. It is located 9 km (6 mi) NNE of the active San José volcano, and is the southernmost 6,000 m (19,685 ft)-plus peak in the world. The Argentine portion is within the Argentinean protection area of Provincial Reserve for Multiple Use and Natural Recreation Manzano / Portillo de Piuquenes. It is on the border of two provinces: Argentinean province of Mendoza and Chilean province of Cordillera. Its slopes are within the administrative boundaries of the two cities: Argentinean city of Tunuyán and the Chilean commune of San José de Maipo. (Full article...) -
Image 15Wayna Potosí (Aymara and Quechua wayna young, Hispanicized spelling Huayna Potosí) is a mountain in the Andes of Bolivia, about 4,969 metres (16,302 ft) high. It is located in the Oruro Department, Sajama Province, Turku Municipality, Turku Canton, northwest of Turku (Turco). The Turku River originates near the mountain. It is a left tributary of the Lauca River. (Full article...)
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Tupungato, one of the highest mountains in the Americas, is a massive Andean lava dome dating to Pleistocene times. It lies on the Argentina–Chile border, between the Chilean Metropolitan Region (near a major international highway about 80 km (50 mi) east of Santiago) and the Argentine province of Mendoza, about 100 km (62 mi) south of Aconcagua, the highest peak of both the Southern and Western hemispheres. Immediately to its southwest is the active Tupungatito volcano (literally, little Tupungato), which last erupted in 1987.
Tupungato Department, an important Argentine wine-producing region in Mendoza province, is named for the volcano. Recent Chilean mapping indicates it has a height of 6635m. (Full article...) -
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Pico El Águila or Collado del Cóndor is the milestone that stands at the highest elevation on the Venezuelan Transandean Highway (a branch of the Pan-American Highway) in the Cordillera de Mérida of Venezuela. Nearby stands a monument, sculpted by a Colombian artist, Marcos León Mariño, depicting a condor, commemorating an event in the campaign of the Liberator, Simón Bolivar. It is located in the state of Mérida and has an altitude of 4,118 meters. (Full article...) -
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Galeras (Urcunina among the 16th-century indigenous people) is an Andean stratovolcano in the Colombian department of Nariño, near the departmental capital Pasto. Its summit rises 4,276 metres (14,029 ft) above sea level. It has erupted frequently since the Spanish conquest, with its first historical eruption being recorded on December 7, 1580. A 1993 eruption killed nine people, including six scientists who had descended into the volcano's crater to sample gases and take gravity measurements in an attempt to be able to predict future eruptions. It is currently the most active volcano in Colombia. (Full article...) -
Image 19View of the lake from Isla del Sol
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. It has a surface elevation of 3,812 m (12,507 ft). (Full article...) -
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The Nevado del Quindío, also known as Volcán Paramillo del Quindío or simply Paramillo del Quindío, is an inactive volcano located in the Central Cordillera of the Andes in central Colombia. The summit marks the tripoint of the departments of Risaralda, Tolima, and Quindío, and is the highest point of the latter. The mountain is the fourth highest peak in Los Nevados National Natural Park among those with a topographic prominence exceeding 300 meters. There are no historical records of any eruption. The andesitic volcano is located on top of the Palestina Fault.
The mountain formerly had glaciers, which disappeared in the second half of the 20th century due to changing climatic conditions associated with global warming. Presently there is no permanent ice, only intermittent snow. The mountain's alternative designation as "paramillo" (like paramo, a high-elevation area of sparse vegetation exposed to wind, rain, and cold) reflects this new reality, whereas the term "nevado" inaccurately implies continuous snow cover. (Full article...) -
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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...) -
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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...) -
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Licancabur (Spanish pronunciation: [likaŋkaˈβuɾ]) is a stratovolcano on the border between Bolivia and Chile, south of the Sairecabur volcano and west of Juriques. Part of the Andean Central Volcanic Zone, it has a prominent, 5,916-metre (19,409 ft)-high cone. A 400–500-metre (1,300–1,600 ft) summit crater containing Licancabur Lake, a crater lake which is among the highest lakes in the world, caps the volcano. There are no glaciers owing to the arid climate. Numerous animal species and plants live on the mountain.
Licancabur formed atop of Pleistocene ignimbrites and has been active during the Holocene, after the ice ages. Three stages of lava flows emanate from the edifice and have a young appearance. Although no historic eruptions of the volcano are known, lava flows extending into Laguna Verde have been dated to 13,240 ± 100 BP and there may be residual heat in the mountain. The volcano has primarily erupted andesite, with small amounts of dacite and basaltic andesite. (Full article...) -
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The Titicaca orestias, Lake Titicaca orestias, or Lake Titicaca flat-headed fish (Orestias cuvieri), also known by its native name amanto, is a likely extinct freshwater killifish from Lake Titicaca in South America. It belongs in the pupfish genus Orestias, endemic to lakes, rivers and streams in the Andean highlands. With a total length of up to 27 cm (10.6 in), it was the largest member in that genus. In the hope that an undiscovered population remains, it is listed as Data Deficient by the IUCN. Despite its common name, it is not the only Orestias from Lake Titicaca.
Its mouth was nearly turned upwards, thereby giving the flat head a concave shape. The head took up nearly a third of the whole body length. The upperside was greenish-yellow to umber. The lower jaw was black. Its scales were oddly light coloured at their centre. The scales of the young were blotched. (Full article...) -
Image 25
Yerupajá is a mountain of the Huayhuash mountain range in west central Peru, part of the Andes. It is located at Áncash, Bolognesi Province, Lauricocha Province. At 6,635 metres (21,768 ft) (other sources: 6,617 m (21,709 ft)) it is the second-highest in Peru and the highest in the Huayhuash mountain range. The summit is the highest point in the Amazon River watershed, and was first reached in 1950 by Jim Maxwell and Dave Harrah, and its northern peak (Yerupajá Norte) in 1968 by the Wellingtonian Roger Bates and Graeme Dingle. Many visitors consider Yerupajá to be the most spectacular peak in South America.
There have been only a few successful ascents of the peak because it is one of the hardest Andean high peaks to climb. The most popular route is the southwest face. The approach is normally made from Huaraz southwards via Chiquián and Jahuacocha. (Full article...)
- ... 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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Image 2Peruvian farmers sowing maize and beans (from Andes)
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Image 8Central Andes (from Andes)
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Image 11Bolivian Andes (from Andes)
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Image 16A 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 18Aerial 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 19Pico Humboldt at sunset (from Andes)
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Image 22Huayna Potosí, Bolivia (from Andes)
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Image 24Irrigating land in the Peruvian Andes (from Andes)
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