Top 15 Longest Rivers in The World

by World's Top Insider

Rivers are described as naturally existing, free-flowing lakes and rivers that flow from higher to lower levels and ultimately drain into larger bodies of water like oceans, lakes, seas, or even other rivers. There are numerous long rivers on many different continents, making it difficult to pinpoint the exact longest river on the globe. We, laypeople, tend to think the Nile is the longest river in the world, but some academics have argued that the Amazon is long. The Nile River’s status as the world’s longest river was settled in 2009 thanks to a peer-reviewed publication published in the “International Journal of Digital Earth.” This article lists the top ten longest rivers on Earth.

15. River Murray

Australia’s longest river, the Murray, stretches for a total of 2,508 kilometers. It rises in the Australian Alps at a height of 1,430 meters. It runs across New South Wales, South Australia, and Victoria, Australia, serving as a natural boundary between the three states. Its terminus is at Murray Mouth in South Australia. A total of 1,061,469 square meters are devoted to its basin. It typically has a flow rate of 767 m3 / s.

The 15 longest rivers on Earth are discussed in the article linked above. Two of the 15 longest rivers originate in Africa, two in South America, one in North America, and five in Asia. According to the preceding discussion, most of the world’s major cities are situated along the banks of a river and rely on the river’s waters for essential functions such as providing potable water, generating hydroelectric power, facilitating transportation, and providing recreation opportunities.

14. Niger River

Niger RiverThe Niger River is a significant waterway in western Africa. It’s a lengthy river (4,180 km) that flows through five countries: Guinea, Mali, Niger, Benin, and Nigeria. The Benue River, which is Africa’s third-longest river, is the river that serves as its primary feeder. It begins in the highlands of Guinea and finishes at the Gulf of Guinea in the Atlantic Ocean. The average discharge is 5,589 meters cubed per second in the Niger Delta.

13. The Mackenzie River

The Mackenzie RiverThe 1,738-kilometer-long Mackenzie River is located in Canada’s Yukon and Northwest Territories. From an elevation of 156 m, it begins at Fort Providence’s Great Slave Lake. This river ultimately flows into the Arctic Ocean. The average discharge is 9910 m3 per second, and the basin is 1.805.2 million square kilometers in area.

12. The Mekong River (4350 kilometers)The Mekong River (4350 kilometers)

The yearly volume of water discharged by the Mekong River is 475 cubic kilometers. The river stretches over 4350 kilometers. This river flows through six countries: China, Myanmar, Laos, Thailand, and the Southeast Asian countries of Cambodia and Vietnam. It all starts with the Lasaigongma spring atop China’s Mt. Gyozongmucha. 795,000 km sq. is the size of its basin. The Mekong Delta in Vietnam is its final destination.

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11. Lena River (4400 kilometers)

Lena River (4400 kilometers)

The Russian Lena River flows 4400 kilometers from its source in the Baikal Mountains and drains an area of 2,500,000 square kilometers. The Lena delta on the Arctic Ocean is where it finally arrives.

10. Rivers Amur-Argun-Kherlen (4,444 kilometers)

The combined length of the Amur-Argun-Kherlen Rivers makes them the tenth most extended river system in the world. The Argun and Shilka Rivers converge in the western part of Northeast China to form the 2,824-kilometer-long Amur River, also known as Heilong Jiang. The river separates southeast Siberia and Northeastern China. The Amur River drains an area of 1,855,000 square kilometers. Kilometers, with a typical discharge volume of 11,400 cubic meters per second. The Argun River, which is 1,620 kilometers long, and the Amur River both serve as a part of the eastern frontier between China and Russia. The 1,254-kilometer-long Kherlen River begins its journey on the southern slopes of the Khentii Mountains and continues eastward, emptying into Hulun Lake before joining the Argun River.

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9. Congo and Chambishi Rivers  (4,700 kilometers.)

Congo and Chambishi Rivers 


It is located in the hills near the Congo River in the Democratic Republic of the Congo, Africa. The combined length of the Congo and Chambishi rivers makes them the sixth most extended river system in the world. Regarding flow volume, the Congo River is the second-largest river in the world after the Amazon. The Chambishi River, the Congo River’s most inaccessible headstream, rises to the surface near Lake Tanganyika at an altitude of 1,760 meters. The Lua pula River begins its journey once the river enters the Bangweulu Swamps. The Lualaba River, which is 1,800 kilometers long and the Congo River’s largest headstream by water volume, has the Chambishi River as a tributary. The water in the Congo Basin services areas of four million square kilometers. It spans almost 13% of Africa’s total geographical location. It extends through nine countries: Angola, Burundi, Cameroon, the Central African Republic, the Democratic Republic of the Congo, Congo, Rwanda, Tanzania, and Zambia.

8. The Rio de La Plata to the Parana and the Rio Grande River (4,880 kilometers.)

The Rio Grande River

The combined length of the La Plata, Parana, and the Rio Grande rivers makes them the eighth-longest river system in the world. In southern Brazil, where the Rio Grande and the Paranaiba rivers converge, the Parana River begins its life. The combined waters of the Paraguay and Uruguay rivers eventually empty into the Atlantic Ocean like Rio de la Plata. The combined watersheds of the Rio de la Plata, the Parana, and the Rio Grande are 2,582,672 square kilometers. Km.

7. River Ob-Irtysh (5,410 kilometers)

Hydroelectric power is generated at the Novosibirsk Hydroelectric power plant, located in the Soviet section of the city on the Ob River. It is generally agreed that the Ob-Irtysh River System is the seventh-longest river system in the world. The Altai Mountains are the source of the Ob River, which originates where the Biya and Katun rivers converge. The big Irtysh River meets the smaller Orb River at a longitude of around 69 degrees. The river empties into the Arctic Ocean via the Gulf of Ob and the Kara Sea. Area 2,990,000 square kilometers are drained by the combined Ob and Irtysh River systems. Km.

6. Yellow River (5,464 kilometers)

Yellow River (5,464 kilometers)

Source: YouTube

The Yellow River, or Huang He as it is often known, is China’s second-longest river at 5,464 kilometers in length and the sixth-longest river in the world. It is believed that the Yellow River’s source is in the Bayan Har Mountains, which are located near the Yushu Tibetan Autonomous Prefecture in eastern Qinghai province. After making its way over the immense North China Plain, it finally empties into the Gulf of Bohai. About 752,546 square kilometers are within the Yellow River Basin’s purview. Kilometers long and flows through seven provinces and two autonomous areas in China. The Yellow River usually has a discharge volume of around 2,571 cubic meters per second.

5. Yenisey, Angara, and Selenga rivers (5,539 kilometers)

Yenisey, Angara, and Selenga rivers (5,539 kilometers)


The Yenisey-Angara-Selenga River System is the most significant river system that flows into the Arctic Ocean and is the fifth longest river in the world. The Selenga River drains into Lake Baikal after a 992 km journey from its source in the Yenisey-Angara River basin. The Angara River, a major tributary of the Yenisey River, begins near the human settlement of Listvyanka on the southern shore of Lake Baikal in Russia’s Irkutsk Oblast and runs north through those towns until joining the Yenisey River at Strelka. The Yenisey River has its source in the Mungaragiyn-gol region of Mongolia. It travels the length of Siberia before emptying into the Arctic Ocean via the Yenisei Gulf and the Kara Sea.

4. Mississippi / Missouri River (6.275 kilometers)

Mississippi / Missouri River (6.275 kilometers)The combined length of the Mississippi, Missouri, and Jefferson rivers is the world’s fourth-longest river system. The Mississippi River is the second-longest in North America, stretching 3,770 kilometers from its headwaters in Lake Itasca to its delta in the Gulf of Mexico. The length of the Missouri River, from its beginnings in the Rocky Mountains to its meeting with the lower Mississippi, is 3,767 kilometers. Thirty-two states in the United States and two provinces in Canada are drained by the Mississippi, Missouri, and Jefferson River Systems.

3. Yangtze River (6,300 kilometers)

Yangtze River (6,300 kilometers)


The Yangtze River, with a staggering 6,300 kilometers, is the longest river in the People’s Republic of China and the whole continent of Asia. It drains about one-fifth of China’s land area. At Jari Hill, 5,710 feet above sea level in the Tangela Mountains, the great Yangtze River begins its journey to the sea. The Yangtze River receives water from more than 700 smaller rivers and streams over its entire length, making it the longest river wholly inside a single nation. By the end, it empties into the East China Sea not far from Shanghai. The total area of the Yangtze River Basin is about 1,808,500 square kilometers. Km and has an average discharge volume of 30,166 cubic meters per second, making it the seventh-largest river in the world in terms of discharge volume. All or part of the Yangtze River may be found in eleven provinces in China: Anhui, Chongqing, Hunan, Hubei, Jiangsu, Jiangxi, Qinghai, Sichuan, Shanghai, Tibet, and Yunnan.

2. Amazon River (6,400 kilometers)

Amazon River (6,400 kilometers)

Source: YouTube

The Amazon River is the biggest river in South America and the second-longest river in the world at 6,400 kilometers in length, draining nearly 40% of the continent of South America. It also has the highest average flow volume of any river at 209,103 cubic meters per second, making it the biggest river in the world. According to a 2014 study published in a scholarly journal, the Mataro River, whose waters begin in Peru’s Cordillera Rumi Cruz, should be regarded as the source of the Amazon River. Downstream, the Ucayali River is formed when the waters of the Mataro River combine with those of the Apurimac River and many other tributaries. After joining the Maranon River, the Ucayali becomes the primary channel of the Amazon. The Amazon River empties into the Atlantic near the Brazilian city of Belem. The Amazon River Basin occupies approximately 7,050,000 square kilometers. Kilometers and its whole watershed include parts of Bolivia, Brazil, Colombia, Ecuador, Peru, Guyana, and Venezuela on the South American continent.

1. Nile River (6650 kilometers)


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Nile River (6650 kilometers)

The Nile, with a total length of 6,650 kilometers, is the longest river in Africa and the longest in the world. It is also known as the “Father of the African Rivers.” The White Nile and the Blue Nile are the two major rivers that flow into the Nile. Khartoum, the capital of Sudan, is located at the confluence of the Nile’s two major tributaries. The first segment of the Nile River travels roughly 1,380 kilometers from Khartoum to Lake Nasser. The second portion of the Nile River flows around 80 kilometers through a series of five falls before reaching the final cataract. To get to the Mediterranean Sea, the Nile must first flow through a delta area in North Cairo, where it then separates into two separate distributaries. About 3,349,000 square kilometers of land are devoted to the Nile’s drainage basin. Covers almost a thousand kilometers and spans parts of eleven African countries (Burundi, the Democratic Republic of the Congo, Egypt, Eritrea, Ethiopia, Kenya, Rwanda, the Republic of Sudan, South Sudan, Tanzania, and Uganda).

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