Içana River

Içana River
Countries	Brazil, Colombia
Source
- location	Guaviare Department, Colombia
Mouth	Río Negro
Length	580 km (360 mi)

Içana River (Isana River) is a tributary of the Rio Negro in South America. The river arises in the Guaviare Department of Colombia, where it is known as the Isana. It flows east and forms a short part of the international boundary between Colombia and Brazil. In Amazonas state, where it is known as the Içana, it flows southeast and into the Rio Negro at São Joaquim, Amazonas.

In Brazil the river flows through the 7,999,000 hectares (19,770,000 acres) Alto Rio Negro Indigenous Territory, created in 1998.

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