The Cesar River basin in the Department of Cesar.

The Cesar River is a river in northern Colombia which is a part of the Magdalena Basin. Colombia (kəˈlʌmbɪə officially the Republic of Colombia () is a country in northwestern South America. The Magdalena River (Spanish Río Magdalena) also called Yuma River (Spanish Río Yuma) is the principal River of Colombia, running It separates the Sierra Nevada de Santa Marta from the mountain ranges of the Serrania del Perija an extension of the Cordillera Oriental. The Sierra Nevada de Santa Marta is an isolated mountain range apart from the Andes chain that runs through Colombia. The Serranía del Perijá, Cordilla de Perijá or Sierra de Perijá is a mountain range an extension of the eastern Andean branch ( Cordillera The Cordillera Oriental is one of three main mountain ranges that divides the Cordillera in the Andes Mountains of Colombia. It flows north to south, down from the Sierra Nevada de Santa Marta in the Guajira Department onto the Cesar Department and flowing into the Zapatosa Marsh where it turns to the southwest and flows into the Magdalena River. The Department of La Guajira or simply La Guajira (la ɰwa'hiɾa is a department of Colombia. The Magdalena River (Spanish Río Magdalena) also called Yuma River (Spanish Río Yuma) is the principal River of Colombia, running ^[1] Valledupar is the only major city on its route. Valledupar is a city and municipality in northeastern Colombia, capital of the Department of Cesar founded in 1550 by Spanish Conqueror Hernando de Santana

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