Longest Rivers in the World by LengthA Nile River is considered to be the world's longest river with a total of 6650 km, followed by Amazon (6575 km), Yangtze (6300 km) and Mississippi (6275km).
3. Yangtze River - China. With a length of 3,915 miles, the Yangtze River is the third longest river in the world. It is also China's most important water system, culturally, historically and economically.
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.
The Shanay-Timpishka, also known as La Bomba, is a tributary of the Amazon River, called the only boiling river in the world. It is 6.4 km (4.0 mi) long. It is known for the very high temperature of its waters—from 45 °C (113 °F) to nearly 100 °C (212 °F).
The Ob-Irtysh RiverThe seventh-longest river in the world is the Ob-Irtysh river system. The Ob River originates in western Siberia in the Altai Mountains and is met by the Irtysh River that begins in Mongolia and flows through China and Kazakhstan before entering Russia.
Turning their attention to the Nile, the researchers concluded that the African river is about 4,258 miles (6,853 km), some 125 miles (200 km) longer than previously thought. However, their calculations meant that the Nile is still about 90 miles (145 km) shorter than the Amazon—making the latter the longest river.
Answer and Explanation: The deepest river in the United States is the Hudson River, which reaches 200 feet deep at some points. The St. Lawrence River, which runs through parts of the U.S., is slightly deeper with a maximum depth of 250 feet, but mostly flows along the border of the U.S. and into Canada.
2. Yangtze. On the opposite side of the equation the Yangtze, the second deepest river in the world at 656 feet (199.9 m) which is also the longest river to flow through just one country, China. And speaking of 'longest', it's the third-longest in the world at 6,300 km (3,914 miles) and the longest in Asia.
ASWAN, Egypt (Reuters) - A granite inscription tells us that for seven years during the reign of the ancient Egyptian king Djoser, the Nile failed to go through its annual flooding cycle, causing a devastating drought and famine.
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.
The Finke River, which is also called Larapinta by the Aboriginal People, in central Australia is believed to be the oldest river in the world. While the Finke River's exact age is unknown, it is at least over 300 million years old and some of the oldest parts of the river may be over 340 million years old.
Most of the flow of the Colorado River through Grand Canyon originates in the Rocky Mountain region. From its origin to its mouth in the Gulf of California, many hands have claimed the Colorado waters for such purposes as irrigation and water supply.