Top 10 Longest River In the World 2021
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. It is a part of the hydrological cycle; water generally collects in a river from precipitation through a drainage basin from surface runoff and other sources such as groundwater recharge, springs, and the release of stored water in natural ice and snowpack (e.g., from glaciers).
Rivers are the foundation of any society. Take a look at a map of the any country in the world. Big towns and cities tend to be located next to rivers.
Cairo is standing on banks of the Nile,
London on the banks of the Thames River, Paris on the banks of the Seine River. This is no coincidence. Rivers provide water for the essential needs of both tiny towns and huge cities.
There are many long rivers in the world, but which ones are the longest? Naturally, there is a disagreement over the answer to this question.
While The Nile has traditionally been considered to be longest in the world,
the Amazon has some pretty fierce defenders as well.
There are a couple of key factors to consider in determining the length of a river. These include the source (where the river starts), and the location of the river mouth (where the river ejects). The river length between source and mouth.
As a result, the length measurements of many rivers are only approximations and can change over time. The facts that there may not be one true course of a river (with its many tributaries and channels), measuring a river through a lake can be complex, Seasonal and annual changes may alter rivers as well. In addition, the length of meanders can change over time.
Rivers are the foundation of any society. Take a look at a map of the any country in the world. Big towns and cities tend to be located next to rivers.
Cairo is standing on banks of the Nile,
London on the banks of the Thames River, Paris on the banks of the Seine River. This is no coincidence. Rivers provide water for the essential needs of both tiny towns and huge cities.
There are many long rivers in the world, but which ones are the longest? Naturally, there is a disagreement over the answer to this question.
While The Nile has traditionally been considered to be longest in the world,
the Amazon has some pretty fierce defenders as well.
There are a couple of key factors to consider in determining the length of a river. These include the source (where the river starts), and the location of the river mouth (where the river ejects). The river length between source and mouth.
As a result, the length measurements of many rivers are only approximations and can change over time. The facts that there may not be one true course of a river (with its many tributaries and channels), measuring a river through a lake can be complex, Seasonal and annual changes may alter rivers as well. In addition, the length of meanders can change over time.
Scroll through to see all Top 10 Longest River In the World 2021.
10. Amur :-
The Amur is the world's tenth longest river. The river forms the border between the Russian Far East and Northeastern China. The Amur is 2,824 kilometres long in length, and has a drainage basin of 1,855,000 square kilometres. The average annual discharge varies from 6,000 cubic metres per second
The river originates in the hills in the western part of Northeast China at the merge of its two major affluents, the Shilka and the Argun.
It flows east forming the border between China and Russia, and slowly makes a great arc to the southeast for about 400 kilometres.
It flows across northeast Asia for over 4,444 kilometres, from the mountains of northeastern China to the Sea of Okhotsk. It flows through diverse landscapes including desert, steppe, tundra, and taiga. Throughout the journey, it receives many tributaries and passing through many small towns. And eventually emptying into the Pacific Ocean through the Strait of Tartary.
It is believed there are at least 123 species of fish from 23 families inhabiting the Amur.The largest fish species in the Amur is the kaluga, achieving length as great as 5.6 metres. The river basin is home to a variety of large predatory fish such as northern snakehead, Amur pike, taimen, Amur catfish, predatory carp and yellowcheek.
The Congo River is the second longest river in Africa, after Nile, as well as the second largest river in the world by discharge volume, following only the Amazon. The Congo River is 4,700 km long in length.
The Congo has drainage basin of 4,014,500 square kilometres. The Congo's discharge at its mouth ranges from 23,000 to 75,000 cubic metres per second.
The river and its tributaries flow through the second largest rain forest area in the world, known as Congo Rainforest, following only the Amazon Rainforest in South America. The river also has the second-largest flow in the world, behind the Amazon; the second-largest drainage basin of any river, behind the Amazon; and is one of the deepest rivers in the world, with measured depths in excess of 220 m.
The Congo originates in the highlands and mountains of the East African Rift, as well as Lake Tanganyika and Lake Mweru, which feed the Lualaba River, which then becomes the Congo. The Chambeshi River in Zambia is major tributaries of Congo.
It is the only major river to cross the equator twice. The Congo Basin has a total area of about 4,000,000 km³r 13% of the entire African landmass.
Several species of turtles, and the slender-snouted, Nile and dwarf crocodile inhabit the Congo River Basin. African manatees found in the lower parts of the river. other iconic species like the Allen's swamp monkey, dryas monkey, aquatic genet, okapi, and Congo peafowl also found in Congo.
The RÃo de la Plata is the second longest river in South America, following the Amazon. The river is about 290 kilometres long in length and widens from about 2 kilometres at its source to about 220 kilometres at its mouth, which makes it the widest river in the world.
RÃo de la Plata has drainage basin of 3,170,000 km². The average annual discharge is 22,000 cubic metres per second.
The RÃo de la Plata originates at the confluence of the Uruguay and Paraná rivers at Punta Gorda and flows eastward into the South Atlantic Ocean. The RÃo de la Plata receives many tributaries including it's main tributary
the Paraná River which is also one of the world's longest river as well as from the Uruguay River and other smaller streams.
It forms the border between Argentina and Uruguay, and passes through major ports and capital cities like Buenos Aires and Montevideo on its western and northern shores, respectively.
The RÃo de la Plata is home to the loggerhead sea turtle, green sea turtle, leatherback sea turtle, the rare La Plata dolphin, and many species of fish.
The Ob is a major river in Russia. It is in western Siberia and is the world's seventh-longest river. The river is about 3,700 kilometres long in length.
Ob has drainage basin of 2,972,497 km².
The average annual discharge is 12,475
cubic metres per second.
It originates in the Altai Mountains, by confluence of the Biya and Katun rivers. The river basin flows through diverse landscapes including steppe, taiga, swamps, tundra, and semi-desert. Several major cities are standing on the bank of river. It receives many tributaries. The Irtysh is the major tributarie of the Ob. finally emptying in Arctic Ocean.
The Yellow River is the second-longest river in China, after the Yangtze River, and the sixth-longest river system in the world. The river is about 5,464 km long in length.
Yellow River has drainage basin of 752,546 km². The average annual discharge is 2,571 cubic metres per second.
The river originates in the Bayan Har Mountains in Qinghai province of Western China. it flows through seven provinces and twoautonomousregions, and finally it empties into the Bohai Sea near the city of Dongying in Shandong province. It flows through diverse landscapes including pastures, swamps, and knolls. It receives many tributaries, Wei River is the largest of these tributaries.
The Yellow River basin is home to more than 160 native species in 92 genera and 28 families, including 19 species found nowhere else in the world.
The Yenisey is the fifth-longest river system in the world, and the largest to drain into the Arctic Ocean. The river is about 5,075 km long in length.
Yenisey River has drainage basin of 2,580,000 km². The average annual discharge is 18,050 cubic metres per second.
The Yenisey flows through the Russian federal subjects Tuva, Khakassia and and Krasnoyarsk Krai. The city of Krasnoyarsk is situated on the bank of Yenisey.
The Yenisey basin is home to 55 native fish species, including two endemics: Gobio sibiricus and Thymallus nigrescens. The Yenisey valley inhabit numerous flora and fauna, with Siberian pine and Siberian larch being notable tree species. There are also numerous bird species present in the watershed, including, the hooded crow, Corvus cornix.
The Mississippi River is the second-longest river in America, after the Amazon river, and the fourth-longest river system in the world. The river is about 5,970 km long in length.
Mississippi River has drainage basin of
2,980,000 km2. The average annual discharge is 16,800 cubic metres per second.
The river originates from Lake Itasca in northern Minnesota, it flows generally south for 3,730 km and it empties in the Mississippi River Delta in the Gulf of Mexico. The main river is entirely within the United States. The Mississippi ranks as the fifteenth-largest river by discharge in the world. The river either form the borders or passes through the ten states.
The Upper Mississippi River alone is home to about 120 fish species, including walleye, sauger, large mouth bass, small mouth bass, white bass, northern pike, bluegill, crappie, channel catfish, flathead catfish, common shiner. several species of turtles, American alligator, aquatic amphibians, and cambarid crayfish are native to the Mississippi basin. The Mississippi basin is home to a highly diverse aquatic fauna.
The Yangtze is the longest river in Asia, the third-longest in the world and the longest in the world to flow entirely within one country. It is the sixth-largest river by discharge volume in the world.
It is about 6,300 km long in length.
Yangtze River has drainage basin of 1,808,500 km². Its drainage basin comprises one-fifth of the land area of China. The average annual discharge is 30,146 cubic metres per second.
It originates at Jari Hill in the Tanggula Mountains (Tibetan Plateau) by confluence of its several tributaries and flows 6,300 km Eastward, and it empties in East China Sea. River passes through several cities including Shanghai. The Yangtze River has over 700 tributaries.
Yangtze River is home to 416 fish species including 362 that strictly are freshwater species. the narrow-ridged finless porpoise, baiji (Yangtze river dolphin), Chinese alligator, Yangtze giant softshell turtle and Chinese giant salamander are native to Yangtze River.
The Amazon River is the largest river by discharge volume of water in the world, and second longest river in the world. And longest in America. The river is about 6,400 km long in length.
Amazon River has drainage basin of 7,000,000 km². The Amazon basin is the largest drainage basin in the world.
The average annual discharge is 209,000 cubic metres per second.
Amazon River originates in the high Andean mountains of Peru, by confluence of three rivers Mantaro, Apurimac and Maranon. After Peru, the Amazon flows Eastward. The Amazon River travels through Ecuador, Colombia and Venezuela before entering Brazil and it empties in Atlantic coast. The 4,000-mile (6,437 km) journey of the Amazon River starts high in the Andes. These mountains act as a wall that blocks the warm, moist air from the east, resulting in dense, persistent rainfall that feeds the headwaters of the Amazon consistently.
More than one-third of all known species in the world live in the Amazon rainforest. the river also home to crabs, algae, and turtles. The anaconda, One of the world's largest species of snak is found in shallow waters in the Amazon basin. Amazon river dolphin, the largest species of river dolphin is also found in Amazon.
The Nile is the longest river in Africa, and it is considered as the longest river in the world. The Nile is about 6,650 km long in length.
Nile River has drainage basin of 3,400,000 km². The average annual discharge is 2,830 cubic metres per second.
The River Nile is originate from the confluence of White Nile which is originating from Lake Victoria and the Blue Nile which begins from Lake Tana in Ethiopia. Both rivers meets in Sudan at Khartoum and then directed northward and it empties in Mediterranean Sea.
The Nile River covers eleven countries: Tanzania, Uganda, Rwanda, Burundi, the Democratic Republic of the Congo, Kenya, Ethiopia, Eritrea, South Sudan, Republic of the Sudan, and Egypt. It receives several tributaries including red Nile, blue Nile, yellow Nile are it's main tributaries. Major cities like Cairo are situations on the bank of Nile.
The river originates in the hills in the western part of Northeast China at the merge of its two major affluents, the Shilka and the Argun.
It flows east forming the border between China and Russia, and slowly makes a great arc to the southeast for about 400 kilometres.
It flows across northeast Asia for over 4,444 kilometres, from the mountains of northeastern China to the Sea of Okhotsk. It flows through diverse landscapes including desert, steppe, tundra, and taiga. Throughout the journey, it receives many tributaries and passing through many small towns. And eventually emptying into the Pacific Ocean through the Strait of Tartary.
It is believed there are at least 123 species of fish from 23 families inhabiting the Amur.The largest fish species in the Amur is the kaluga, achieving length as great as 5.6 metres. The river basin is home to a variety of large predatory fish such as northern snakehead, Amur pike, taimen, Amur catfish, predatory carp and yellowcheek.
9. Congo :-
The Congo River is the second longest river in Africa, after Nile, as well as the second largest river in the world by discharge volume, following only the Amazon. The Congo River is 4,700 km long in length.
The Congo has drainage basin of 4,014,500 square kilometres. The Congo's discharge at its mouth ranges from 23,000 to 75,000 cubic metres per second.
The river and its tributaries flow through the second largest rain forest area in the world, known as Congo Rainforest, following only the Amazon Rainforest in South America. The river also has the second-largest flow in the world, behind the Amazon; the second-largest drainage basin of any river, behind the Amazon; and is one of the deepest rivers in the world, with measured depths in excess of 220 m.
The Congo originates in the highlands and mountains of the East African Rift, as well as Lake Tanganyika and Lake Mweru, which feed the Lualaba River, which then becomes the Congo. The Chambeshi River in Zambia is major tributaries of Congo.
It is the only major river to cross the equator twice. The Congo Basin has a total area of about 4,000,000 km³r 13% of the entire African landmass.
Several species of turtles, and the slender-snouted, Nile and dwarf crocodile inhabit the Congo River Basin. African manatees found in the lower parts of the river. other iconic species like the Allen's swamp monkey, dryas monkey, aquatic genet, okapi, and Congo peafowl also found in Congo.
8. RÃo de la Plata :-
RÃo de la Plata has drainage basin of 3,170,000 km². The average annual discharge is 22,000 cubic metres per second.
The RÃo de la Plata originates at the confluence of the Uruguay and Paraná rivers at Punta Gorda and flows eastward into the South Atlantic Ocean. The RÃo de la Plata receives many tributaries including it's main tributary
the Paraná River which is also one of the world's longest river as well as from the Uruguay River and other smaller streams.
It forms the border between Argentina and Uruguay, and passes through major ports and capital cities like Buenos Aires and Montevideo on its western and northern shores, respectively.
The RÃo de la Plata is home to the loggerhead sea turtle, green sea turtle, leatherback sea turtle, the rare La Plata dolphin, and many species of fish.
7. Ob :-
The Ob is a major river in Russia. It is in western Siberia and is the world's seventh-longest river. The river is about 3,700 kilometres long in length.
Ob has drainage basin of 2,972,497 km².
The average annual discharge is 12,475
cubic metres per second.
It originates in the Altai Mountains, by confluence of the Biya and Katun rivers. The river basin flows through diverse landscapes including steppe, taiga, swamps, tundra, and semi-desert. Several major cities are standing on the bank of river. It receives many tributaries. The Irtysh is the major tributarie of the Ob. finally emptying in Arctic Ocean.
6. Yellow River :-
The Yellow River is the second-longest river in China, after the Yangtze River, and the sixth-longest river system in the world. The river is about 5,464 km long in length.
Yellow River has drainage basin of 752,546 km². The average annual discharge is 2,571 cubic metres per second.
The river originates in the Bayan Har Mountains in Qinghai province of Western China. it flows through seven provinces and twoautonomousregions, and finally it empties into the Bohai Sea near the city of Dongying in Shandong province. It flows through diverse landscapes including pastures, swamps, and knolls. It receives many tributaries, Wei River is the largest of these tributaries.
The Yellow River basin is home to more than 160 native species in 92 genera and 28 families, including 19 species found nowhere else in the world.
5. Yenisey :-
The Yenisey is the fifth-longest river system in the world, and the largest to drain into the Arctic Ocean. The river is about 5,075 km long in length.
Yenisey River has drainage basin of 2,580,000 km². The average annual discharge is 18,050 cubic metres per second.
The Yenisey flows through the Russian federal subjects Tuva, Khakassia and and Krasnoyarsk Krai. The city of Krasnoyarsk is situated on the bank of Yenisey.
The Yenisey basin is home to 55 native fish species, including two endemics: Gobio sibiricus and Thymallus nigrescens. The Yenisey valley inhabit numerous flora and fauna, with Siberian pine and Siberian larch being notable tree species. There are also numerous bird species present in the watershed, including, the hooded crow, Corvus cornix.
4. Mississippi :-
The Mississippi River is the second-longest river in America, after the Amazon river, and the fourth-longest river system in the world. The river is about 5,970 km long in length.
Mississippi River has drainage basin of
2,980,000 km2. The average annual discharge is 16,800 cubic metres per second.
The river originates from Lake Itasca in northern Minnesota, it flows generally south for 3,730 km and it empties in the Mississippi River Delta in the Gulf of Mexico. The main river is entirely within the United States. The Mississippi ranks as the fifteenth-largest river by discharge in the world. The river either form the borders or passes through the ten states.
The Upper Mississippi River alone is home to about 120 fish species, including walleye, sauger, large mouth bass, small mouth bass, white bass, northern pike, bluegill, crappie, channel catfish, flathead catfish, common shiner. several species of turtles, American alligator, aquatic amphibians, and cambarid crayfish are native to the Mississippi basin. The Mississippi basin is home to a highly diverse aquatic fauna.
3. Yangtze :-
The Yangtze is the longest river in Asia, the third-longest in the world and the longest in the world to flow entirely within one country. It is the sixth-largest river by discharge volume in the world.
It is about 6,300 km long in length.
Yangtze River has drainage basin of 1,808,500 km². Its drainage basin comprises one-fifth of the land area of China. The average annual discharge is 30,146 cubic metres per second.
It originates at Jari Hill in the Tanggula Mountains (Tibetan Plateau) by confluence of its several tributaries and flows 6,300 km Eastward, and it empties in East China Sea. River passes through several cities including Shanghai. The Yangtze River has over 700 tributaries.
Yangtze River is home to 416 fish species including 362 that strictly are freshwater species. the narrow-ridged finless porpoise, baiji (Yangtze river dolphin), Chinese alligator, Yangtze giant softshell turtle and Chinese giant salamander are native to Yangtze River.
2. Amazon :-
Amazon River has drainage basin of 7,000,000 km². The Amazon basin is the largest drainage basin in the world.
The average annual discharge is 209,000 cubic metres per second.
Amazon River originates in the high Andean mountains of Peru, by confluence of three rivers Mantaro, Apurimac and Maranon. After Peru, the Amazon flows Eastward. The Amazon River travels through Ecuador, Colombia and Venezuela before entering Brazil and it empties in Atlantic coast. The 4,000-mile (6,437 km) journey of the Amazon River starts high in the Andes. These mountains act as a wall that blocks the warm, moist air from the east, resulting in dense, persistent rainfall that feeds the headwaters of the Amazon consistently.
More than one-third of all known species in the world live in the Amazon rainforest. the river also home to crabs, algae, and turtles. The anaconda, One of the world's largest species of snak is found in shallow waters in the Amazon basin. Amazon river dolphin, the largest species of river dolphin is also found in Amazon.
1. Nile :-
The Nile is the longest river in Africa, and it is considered as the longest river in the world. The Nile is about 6,650 km long in length.
Nile River has drainage basin of 3,400,000 km². The average annual discharge is 2,830 cubic metres per second.
The River Nile is originate from the confluence of White Nile which is originating from Lake Victoria and the Blue Nile which begins from Lake Tana in Ethiopia. Both rivers meets in Sudan at Khartoum and then directed northward and it empties in Mediterranean Sea.
The Nile River covers eleven countries: Tanzania, Uganda, Rwanda, Burundi, the Democratic Republic of the Congo, Kenya, Ethiopia, Eritrea, South Sudan, Republic of the Sudan, and Egypt. It receives several tributaries including red Nile, blue Nile, yellow Nile are it's main tributaries. Major cities like Cairo are situations on the bank of Nile.
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