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The Amazon River (UK: / ˈ æ m ə z ən /, US: / ˈ æ m ə z ɒ n /; Spanish: Río Amazonas, Portuguese: Rio Amazonas) in South America is the largest river by discharge volume of water in the world, and the longest or second-longest river system in the world, a title which is disputed with the Nile.
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about 7,000,000 km 2 (2,700,000 sq mi), [ 1 ] or about 35.5 percent of the South American continent.
The Amazon River is the largest river in the world in terms of its flow rate. In addition, it is the second longest river, measuring 6,575 km (4,086 mi) [3] from its source to the mouth of the Atlantic Ocean [4] after the Nile River which is considered to be the longest river in the world (see Source of the Nile River), although there is some dispute.
Amazon alluvium deposit. The Amazon Basin is a large sedimentary basin (620,000 square kilometres (240,000 sq mi)) located near the middle and lower course of the Amazon River, south the Guiana Shield and north of the Central Brazilian Shield. The basin developed on a rift that originated about 550 million years ago during the Cambrian.
The largest river system in Brazil is the Amazon, which originates in the Andes and receives tributaries from a basin that covers 45.7% of the country, principally the north and west. [1] The main Amazon river system is the Amazonas-Solimões-Ucayali axis (the 6,762-kilometer (4,202 mi)-long Ucayali is a Peruvian tributary), flowing from west ...
Mismi is a 5,597-metre (18,363 ft) mountain peak of volcanic origin in the Chila mountain range in the Andes of Peru.A glacial stream on the Mismi was identified as the most distant source of the Amazon River in 1996; [1] this finding was confirmed in 2001 [2] and again in 2007. [3]
Iquitos is the largest city in the world that cannot be reached by road that is not on an island; it is only accessible by river and air. [5] It is known as the "capital of the Peruvian Amazon". The city is located in the Great Plains of the Amazon Basin, fed by the Amazon, Nanay, and Itaya rivers.
The Rio Negro (Spanish: Río Negro [ˈri.o ˈneɣɾo] "Black River"), or Guainía as it is known in its upper part, is the largest left tributary of the Amazon River (accounting for about 14% of the water in the Amazon basin), the largest blackwater river in the world, [8] and one of the world's ten largest rivers by average discharge.