Içana River (río Isana/rio Içana in Spanish and Portuguese) is a
tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
of the
Rio Negro in
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
. Its source is in the
Guainía Department
Guainía (; Yuri language: "Land of many waters") is a department of Eastern Colombia. It is in the east of the country, bordering Venezuela and Brazil. Its capital is Inírida. In 1963 Guainía was split off from Vaupés department. The nor ...
of
Colombia
Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...
, where it is known as the Isana River. From its source, it flows mostly east until it reaches the border between Colombia and
Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
, where the river forms a small part of the boundary between the two countries. From the border, it flows mostly southeast through
Amazonas state until it joins the Rio Negro at Missão Boa Vista.
In Brazil, the river flows through the
Alto Rio Negro Indigenous Territory, which was created in 1998.
See also
*
List of rivers of Amazonas
References
Brazilian Ministry of Transport
Rivers of Amazonas (Brazilian state)
Rivers of Colombia
Border rivers
Geography of Guainía Department
International rivers of South America
Brazil–Colombia border
Tributaries of the Rio Negro (Amazon)
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