The Cauto River or Río Cauto, located in southeast Cuba, is the longest river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 of Cuba

Cuba

The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

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It flows on a total length of 230 miles (370.1 km) from the Sierra Maestra

Sierra Maestra

Sierra Maestra is a mountain range that runs westward across the south of the old Oriente Province from what is now Guantánamo Province to Niquero in southeast Cuba, rising abruptly from the coast. Some view it as a series of connecting ranges , which joins with others extending to the west...

 to the west and north-west, and enters the Caribbean Sea

Caribbean Sea

The Caribbean Sea is a sea of the Atlantic Ocean located in the tropics of the Western hemisphere. It is bounded by Mexico and Central America to the west and southwest, to the north by the Greater Antilles, and to the east by the Lesser Antilles....

 north of Manzanillo

Manzanillo, Cuba

Manzanillo is a municipality and city in the Granma Province of Cuba.It is a port city in the Granma Province in eastern Cuba on the Gulf of Guacanayabo, near the delta of the Cauto River...

. However, it provides only 70 miles (112.7 km) of transport waterway. Water is not drinkable.

It flows through the provinces of Santiago de Cuba

Santiago de Cuba Province

Santiago de Cuba Province is the second most populated province in the island of Cuba. The largest city Santiago de Cuba is the main administrative center...

 and Granma

Granma Province

Granma is one of the provinces of Cuba. Its capital is Bayamo. Other towns include Manzanillo and Pilón.-History:...

, and the communities of Palma Soriano

Palma Soriano

Palma Soriano is a municipality in the Santiago de Cuba Province of Cuba.The municipality is divided into the localite of Alto Cedro, Caney del Sitio, Guaninao, José Martí, Juan Barón, La Concepción, Las Cuchillas, Los Dorados, Norte, Palmarito de Cauto, San Leandro, San Ramón, Santa Filomena and...

, Cauto Cristo

Cauto Cristo, Cuba

Cauto Cristo is a municipality and city in the Granma Province of Cuba. It is located on the banks of the Cauto River, in the western part of the province, bordering the province of Holguin.-Demographics:...

 and Rio Cauto

Río Cauto, Cuba

Río Cauto is a municipality and city in the Granma Province of Cuba. It is located in the northern part of the province, upstream of the mouth of Cauto River.-Demographics:...

 are located along the river. It is one of the two navigable rivers in Cuba. The other one is called Sagua la Grande

Sagua La Grande

Sagua La Grande is a municipality and city located on the north coast of the province of Villa Clara in central Cuba, on the Sagua la Grande River. The city is close to Mogotes de Jumagua, limestone cliffs...

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