The Quinto River (), also known as the Popopis, is in central

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

. It rises in

Sierra de San Luis Sierra (Spanish for "mountain range" or "mountain chain" and "saw", from Latin '' serra'') may refer to the following: Places Mountains and mountain ranges * Sierra de Juárez, a mountain range in Baja California, Mexico * Sierra de las Nieves ...

near the Retama mountain in

San Luis Province San Luis () is a Provinces of Argentina, province of Argentina located near the geographical center of the country (on the 32° South parallel). Neighboring provinces are, from the north clockwise, La Rioja Province (Argentina), La Rioja, Córdo ...

. The Quinto flows to the southeast. Near the Paso de las Carreteras dam, the Quinto River begins to flow through the

Pampas The Pampas (; from Quechua 'plain'), also known as the Pampas Plain, are fertile South American low grasslands that cover more than and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos, and Córdoba; all o ...

. It passes

Villa Mercedes Villa Mercedes is a city in the province of San Luis, Argentina. It lies on the center-east of the province, on the left-hand banks of the Quinto River, 32 km from the border with Córdoba, on National Route 148, and near the intersection ...

city, where it is about wide. It then flows through

Córdoba Province Córdoba Province may refer to: * Córdoba Province, Argentina * Córdoba Province (Colombia) * Province of Córdoba (Spain) Córdoba (; also called Cordova in English) is one of the 50 provinces of Spain, in the north-central part of the Autonom ...

. Finally, it flows into the Bañados de la Amarga swamps in its lower course. During the rainy season the Quinto's waters sometimes rise sufficiently to reach Santa Fé and

Buenos Aires Buenos Aires, controlled by the government of the Autonomous City of Buenos Aires, is the Capital city, capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− glob ...

provinces and sometimes even as far as the Salado River basin. The Quinto's length is dependent on the season. It can vary from in the dry period to after heavy rain.

References

Rivers of Argentina {{Argentina-river-stub