How long is the longest river in the US?

The Missouri River is the longest river in the United States. Rising in the Eastern Centennial Mountains of the Bitteroot Range of the Rocky Mountains of Southwestern Montana, the Missouri flows east and south for 2,341 miles before entering the Mississippi River north of St. Louis, Missouri.





People Also Ask

When compared to other world rivers, the Mississippi-Missouri River combination ranks fourth in length (3,710 miles/5,970km) following the Nile (4,160 miles/6,693km), the Amazon (4,000 miles/6,436km), and the Yangtze Rivers (3,964 miles/6,378km).

MORE DETAILS

Stretches of the Mississippi River within the park corridor exceed water quality standards for mercury, bacteria, sediment, PCBs (polychlorinated biphenyl), and nutrients. Unfortunately, these impairments can make the water unsuitable for fishing, swimming, and drinking.

MORE DETAILS

1. Nile River: 4,130 Miles. The Nile River is the largest river in the world. The Nile-White Nile-Kagera-Nyaborongo-Mwogo-Rukarara River system stretches over 4,000 miles, drawing water from places as far off as the Democratic Republic of the Congo.

MORE DETAILS

The Congo is the deepest river in the world. Its headwaters are in the north-east of Zambia, between Lake Tanganyika and Lake Nyasa (Malawi), 1760 metres above sea level; it flows into the Atlantic Ocean.

MORE DETAILS

The Nile is credited as the longest river in the world. Its main source is Lake Victoria in east central Africa. From its farthest stream in Burundi, it extends 6,695 km (4,160 miles) in length.

MORE DETAILS

Key Points: At a depth of 216 feet (though some sources say it's 202 ft), the Hudson River is the deepest river in the United States. The Hudson River's headwaters are located in the Lake Tear of the Clouds in New York's Adirondack Park. It travels 315 miles from that point to Upper New York Bay.

MORE DETAILS

Alaska has the most water Alaska contains approximately 12,000 rivers, 3 million lakes larger than 5 acres, and numerous creeks and ponds, accounting for more than 14% of the state's total area.

MORE DETAILS

The strength of the Amazon River in South America dwarfs other rivers on the planet. The amount of water flowing through the Amazon is greater than the amount carried by the Mississippi, the Yangtze, and the Nile combined.

MORE DETAILS

Cutting a diagonal northeast channel across Montana for nearly 700 miles to its confluence with the Missouri River in North Dakota, the Yellowstone River is the longest free-flowing river in the lower 48 states.

MORE DETAILS

The Amazon River near Iquitos, Peru.

MORE DETAILS

The Encyclopedia Britannica gives the length of the Nile as 6,650 kilometers (4,132 miles), to 6,400 kilometers (3,977 miles) for the Amazon, measuring the latter from the headwaters of the Apurimac River in southern Peru.

MORE DETAILS

Bangladesh has the highest number of rivers (about 700) and is known as the 'land of rivers'. Some major Rivers of Bangladesh are: Brahmaputra, Ganges, Suma, Atrai, Raidak, Mahananda, Teesta, Karnaphuli, Meghna and Bangshi among others.

MORE DETAILS

According to the National Aeronautics and Space Administration, four of the world's 10 longest rivers flow generally northward: the Nile, the Mackenzie-Peace (in Canada) the Ob and the Lena (in Siberia). In fact, NASA says that there are rivers flowing north on every continent.

MORE DETAILS

The St. Johns — one of the few rivers in the United States that flows north — is one of the laziest rivers in the world. From its source in the marshes south of Melbourne to its mouth in Mayport, the river drops a total of less than 30 feet — or about one inch per mile.

MORE DETAILS