The Cauto River or Río Cauto is the longest river in Cuba, as well as the longest river in the Caribbean.^[1] Located in the southeast of the island, it is one of two navigable rivers in Cuba, the other being the Sagua la Grande River.

Quick Facts Location, Country ...

Cauto River
Rio Cauto near Guamo Embarcadero
Location of mouth
Location
Country	Cuba
Physical characteristics
Source
• location	Sierra Maestra
• elevation	600 m (1,969 ft)
Mouth	Caribbean Sea
• location	Gulf of Guacanayabo
• coordinates	20°32′57″N 77°14′30″W
• elevation	Sea level
Length	315 mi (507 km)
Basin size	8,928 km2 (3,447 sq mi)

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The Cauto flows for 371 km (231 mi) from the Sierra Maestra to the west and north-west, and enters the Caribbean Sea north of Manzanillo. However, it provides only 110 km (70 mi) of navigable waterway. A 2013 study led by multiple Cuban academic institutions determined that the river could be 'classified as unpolluted to moderately polluted'.^[2]

It flows through the provinces of Santiago de Cuba, Holguin, and Granma. The communities of Palma Soriano, Cauto Cristo, and Rio Cauto are located along the river. Rice, sugarcane, tobacco, and cattle are the primary agricultural beneficiaries along its course.

• Cauto River