The Andes mountain range is a 7,000-kilometre-long chain of mountains that runs through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. It is the longest mountain range in the world and the highest outside of Asia. The Andes are split into three sections: the Southern Andes, the Central Andes, and the Northern Andes. The Central Andes run through Ecuador, Peru, and Bolivia.
Characteristics | Values |
---|---|
Name | Andes |
Length | 7,000km (4,350 miles) |
Countries crossed | Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, Argentina |
Highest peak | Mount Aconcagua (6,961m) |
Highest active volcano | Ojos del Salado (6,893m) |
Northernmost peaks | Sierra Nevada de Santa Marta |
Southernmost peaks | Tierra del Fuego |
Highest navigable lake | Lake Titicaca |
Largest salt flats | Salar Uyuni |
Highest capital city | La Paz, Bolivia |
What You'll Learn
- The Andes is the name of the mountain range that crosses Ecuador, Peru, Bolivia, and four other South American countries
- The Andes is the longest mountain range in the world
- The Andes is the highest mountain range outside of Asia
- The Amazon River originates in the Andes
- The Andes is a haven of biodiversity, with over 30,000 species of endemic plants
The Andes is the name of the mountain range that crosses Ecuador, Peru, Bolivia, and four other South American countries
The Andes is a collection of numerous mountain chains that join together in what are called orographic knots. These chains form a continuous highland along the western edge of South America, with the range's highest peak, Argentina's Aconcagua, rising to an elevation of about 6,961 metres above sea level. The range is also home to the world's highest volcano, Ojos del Salado on the Chile-Argentina border, which rises to 6,893 metres.
The Andes can be divided into three sections: the Southern Andes in Argentina and Chile; the Central Andes in Peru and Bolivia; and the Northern Andes in Venezuela, Colombia, and Ecuador. The Northern and Central Andes run through Venezuela, Colombia, Ecuador, Peru, and Bolivia and contain 39,108 named mountains, the highest of which is Huascarán Sur in Peru at 6,768 metres.
The Andes are part of the American Cordillera, a chain of mountain ranges that form the western "backbone" of the Americas and Antarctica. The range is located in a region known as the Ring of Fire, a zone of volcanic activity that encompasses the Pacific rim. The formation of the Andes was the result of tectonic plate processes during the Mesozoic and Tertiary eras, caused by the subduction of the Nazca and Antarctic Plates beneath the South American Plate.
The Andes have a significant impact on the climate and hydrology of South America. The mountains act as a barrier, with the climates of the western and eastern slopes varying greatly. The western side of the Andes features arid landscapes such as the Atacama Desert, while the eastern slopes are home to lush rainforests like the Amazon. The mountains also influence the temperatures of nearby areas, with the snow line varying depending on the location.
The Andes are incredibly biodiverse, with approximately 30,000 plant species and nearly 1,000 animal species calling the range home. The range is considered to have a high rate of endemism, with about two-thirds of all species found nowhere else on Earth. The Andes are also the source of the Amazon River, which originates in the mountains.
In addition to their natural significance, the Andes have played an important role in the history and culture of South America. The mountains were inhabited by indigenous peoples such as the Incas, who practised irrigation techniques and terrace farming. The Inca Empire, the largest empire in the Americas before the arrival of the Spanish, was centred in the central Andes during the 15th century. Today, the Andes continue to shape the cultures and cuisines of the countries they cross, with each country boasting rich traditions and diverse landscapes.
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The Andes is the longest mountain range in the world
The Andes formed through the subduction of the Pacific Plate under the South American Plate. This subduction led to the creation of the mountains, as well as widespread volcanic activity, which continues today. The range is part of the Ring of Fire, a zone of volcanic activity that encompasses the Pacific rim of the Americas and Asia-Pacific.
The Andes can be divided into three sections: the Southern Andes in Argentina and Chile; the Central Andes in Peru and Bolivia; and the Northern Andes in Venezuela, Colombia, and Ecuador. The range is further split into several sub-ranges, separated by intermediate depressions. The Altiplano Plateau, located in the Central Andes, is the world's second-highest plateau after the Tibetan Plateau.
The Andes are incredibly biodiverse, with approximately 30,000 plant species and nearly 1,000 animal species, two-thirds of which are endemic to the region. The range is also a source of important natural resources, including large deposits of iron ore, copper, salt, tin, and lithium.
The Andes have played a significant role in the history and culture of South America. The mountains were home to indigenous peoples, including the Inca Empire, which spanned much of the Andes before the Spanish conquest in the 16th century. Today, the largest cities in the Andes include Bogotá, Santiago, Medellín, Cali, and Quito, with Lima being the largest city adjacent to the mountain range.
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The Andes is the highest mountain range outside of Asia
The Andes mountain range is the highest mountain range outside of Asia. Stretching over 7,000 km (4,350 mi) from north to south, the Andes is the longest continental mountain range in the world. It crosses seven South American countries: Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, and Venezuela.
The Andes is made up of several mountain chains that join together in what are called orographic knots. These form high-altitude plateaus, such as the Bolivian Altiplano, that have allowed for the establishment of human settlements. Modern-day cities like La Paz, Quito, Arequipa, Cuenca, Sucre, and Medellin are among the most famous cities found on Andean plateaus.
The majority of the Andean mountain chains are volcanic. The highest active volcano in the world, Ojos del Salado, which stands at 6,900 m, is found in the Andes along the Chilean-Argentinian border. The easiest volcano to reach, Cotopaxi, is only 75 km south of the Ecuadorian capital, Quito. Cotopaxi boasts glaciers from 5,000 m up, and its eruption is deemed to be imminent. The greatest threat from this eruption would come from the colossal flow of ice to towns in its basin.
The highest peak in the Andes is Mt. Aconcagua in Argentina, which rises to 6,961 m (22,838 ft) above sea level. However, the peak of Chimborazo in the Ecuadorian Andes is farther from the Earth's center than any other location on the Earth's surface due to the equatorial bulge resulting from the Earth's rotation.
The Andes can be divided into three sections: the Southern Andes in Argentina and Chile; the Central Andes in Peru and Bolivia; and the Northern Andes in Venezuela, Colombia, and Ecuador. The Altiplano Plateau in the Andes is the world's second-highest plateau after the Tibetan Plateau. The northern and central parts of the Andes contain 39,108 named mountains, the highest of which is Huascarán Sur (6,768 m) in Peru.
The Andes are a haven of biodiversity, comprising three different main climatic zones: the Tropical Andes in the north, the Dry Andes in the center, and the Wet Andes in the south. The ranges are home to a wide array of wildlife, including nearly 600 species of mammals, over 1,700 species of birds, more than 600 species of reptiles, almost 400 species of fish, and over 1,000 species of amphibians. In addition, the Andes are home to about 30,000 plant species, with roughly half being endemic to the region.
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The Amazon River originates in the Andes
The Amazon River, the largest river in the world by discharge volume, originates in the Andes Mountains of Peru. The Amazon's headwaters are found in the high Andes, at altitudes over 5,000 metres (16,000 ft). The river then travels through Ecuador, Colombia, Venezuela, Bolivia, and Brazil before emptying into the Atlantic Ocean.
The Amazon's source has been a subject of debate and speculation for centuries, and it is currently believed that the river does not have one unique source but several headstream areas. These headwaters are found in three different Peruvian rivers: the Marañón, the Apurímac, and the Mantaro. The Marañón River, which has its source in Lake Lauricocha in the high Western Andes, was considered the main source of the Amazon for centuries. However, in recent years, other headstream areas have been identified, including the Apurímac and Mantaro Rivers.
The Amazon River is the second-longest river in the world, measuring approximately 6,400 kilometres (4,000 miles) from its source to the mouth of the Atlantic Ocean. The river rises by more than 9 metres (30 feet) during the rainy season, flooding the surrounding forests, known as várzea or "flooded forests". The Amazon's vast basin covers an area of about 7 million square kilometres (2.7 million square miles) and is nearly twice as large as the Congo River basin, the Earth's other great equatorial drainage system.
The formation of the Amazon River is closely linked to the formation of the Andes themselves. The Andes are the longest continental mountain range in the world, stretching approximately 7,000 kilometres (4,350 miles) along the western edge of South America. The uplift of the Andes and the linkage of the Brazilian and Guyana bedrock shields caused the Amazon Basin to become a vast inland sea, which gradually transformed into a massive swampy, freshwater lake. Over time, this lake drained and became the Amazon River, which would eventually become the world's longest or second-longest river, depending on the source.
The Amazon River is a vital lifeline for the millions of people living in its basin and is home to an incredibly diverse array of flora and fauna. The river and its tributaries support thousands of fish species, as well as crabs, algae, turtles, dolphins, manatees, and more. The Amazon River and the Andes Mountains have a rich history and have played a significant role in the development of South American civilisations, including the Inca Empire.
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The Andes is a haven of biodiversity, with over 30,000 species of endemic plants
The Andes mountain range is a haven of biodiversity, with over 30,000 species of endemic plants. The Andes, the world's longest mountain range, spans seven South American countries: Argentina, Chile, Bolivia, Peru, Ecuador, Colombia, and Venezuela. The range is approximately 9,000 kilometres long and 200 to 700 kilometres wide, with an average height of about 4,000 metres.
The Andes can be divided into three climate-based parts: the Tropical Andes, the Dry Andes, and the Wet Andes. The Tropical Andes, located in northern South America, following the path of the Andes, run through Venezuela, Colombia, Ecuador, Peru, and Bolivia. This diverse landscape includes snow-capped mountains, canyons, and valleys, with different vegetation types at various elevations. The Dry Andes extend from the Atacama Desert to the Maule River area, while the Wet Andes are found in Chile and Argentina.
The Tropical Andes, in particular, boast an impressive array of flora and fauna. They are considered a "global epicentre of biodiversity" and a biodiversity hotspot, containing about one-sixth of all plant life on Earth. This includes 30,000 species of vascular plants, with roughly half being endemic to the region. The diverse landscapes and habitats of the Tropical Andes provide a home for numerous species, including birds, amphibians, and mammals.
The Andes as a whole are incredibly biodiverse, with well over 1,000 animal species, many of which are endemic. The range is known for its high rate of endemism, with about two-thirds of its species found nowhere else. The unique ecosystems and varied elevations of the Andes support a wide range of plant and animal life.
The Andean region is also of significant cultural importance, having been inhabited by indigenous peoples for thousands of years. It served as the heart of the Inca Empire before being colonised by the Spanish in the 16th century. Today, the Andes continue to be a source of cultural diversity, with over 40 Indigenous groups and a rich historical legacy.
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Frequently asked questions
The name of the mountain range that crosses Ecuador, Peru, and Bolivia is the Andes.
The Andes mountain range crosses seven countries in South America: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.
The highest mountain in the Andes is Mount Aconcagua in Argentina, which rises to 6,961 m (22,838 ft) above sea level.
The Andes is the longest mountain range in the world, stretching over 7,000 km (4,350 mi) from the northern edge of South America to the continent's southern tip.