15 julio, 2024

The 25 most important rivers in Argentina

Most of the Argentine rivers they can be navigated, and many have great hydroelectric potential. In fact, Argentina has an exceptionally rich hydrography. Throughout its extensive territory, the country has a huge number of rivers and lakes, lagoons, wetlands, ice fields and groundwater.

This country has the La Plata basin, the second largest in South America and the fifth in the world.

Main rivers of Argentina

1. Second River

El Segundo is in the center of the province of Córdoba and rises about 2,000 meters above sea level, in the Sierra Grande, starting from the famous Cordovan Sierras.

It originates from the confluence of the De la Suela, Los Condoritos (which runs through the Quebrada del Condorito National Park), San José, San Pedro, Los Espinillos, Medio, Los Reartes, Los Molinos and Anizacate rivers.

Its route is 340 kilometers long and passes through the cities of Río Segundo, Pilar, Costa Sacate, Rincón, Villa del Rosario, Tránsito, Arroyito, El Tío, Concepción del Tío, Marull, Balnearia and Altos de Chipión. The name Xanaes, as it is also known, comes from the Comechingón people, prominent in the history of Córdoba.

2. Malargüe River

This river known as Mendoza runs through a large part of the south of the province. It originates in the Andes mountain range, at about 2,500 meters above sea level and flows into the Llancanelo lagoon.

3. River of the Willows

It crosses the Valley of Traslasierra, in the province of Córdoba, it starts in Villa Cura Brochero and in Mina Clavero, one of the tourist centers of the province. It is the second most important in the area and has large rocks of various shapes, known as Los Cajones.

4. Tartagal River

The Tartagal is north of the province of Salta and circulates through Tartagal. On its way it crosses numerous streams and ends in a swamp. In times of drought it does not have much water, but in heavy rains its flow precipitates and gives rise to serious flooding.

5. Black River

Río Negro is the most important in Argentine Patagonia, mainly because of its flow. It measures about 635 kilometers in length and runs through the province of the same name from west to east, until it flows into the Atlantic Ocean. It is born from the union of Neuquén and Limay.

6. Samborombón River

Located in the province of Buenos Aires, the Samborombón belongs to the La Plata basin. Born in the San Vicente party. As it passes, it crosses San Vicente and Brandsen, and flows into a bay, very close to the Salado River.

Its route is 100 kilometers and it usually dries up due to the lack of rain. But in times of storms, it becomes mighty and powerful.

7. Rio Grande

The Rio Grande is located in Jujuy, northwest of Argentina. Its fame is due to the fact that it crosses the mythical Quebrada de Humahuaca, one of the most popular tourist destinations in the country. In addition, the Río Grande is part of the La Plata basin and sometimes causes flooding in the Tilcara area.

8. Pilcomayo River

Also called Araguay, this river is part of the La Plata basin and passes through three countries: Bolivia, Argentina and Paraguay. Precisely, the importance of the river is largely due to the fact that it serves as a border between these three countries. Its length is 2,426 km.

The name Pilcomayo comes from Quechua, and means «the river of the birds».

9. Lujan River

One of the most important rivers in the province of Buenos Aires, the Luján runs through the districts of Mercedes, Luján, Pilar, Campana, Escobar, Tigre, San Fernando and San Isidro, to finally flow into the Río de la Plata.

10. San Xavier River

Actually, the San Javier is a water course considered a river, and it is born in the Paraná, in the province of Santa Fe. It is also known as the Quiloazas river.

The San Javier causes large and strong erosion, which is why the city of Cayastá had to move 85 kilometers upstream to avoid suffering the consequences of erosion.

11. Gualeguay River

The Gualeguay river is distinguished for being one of the largest in Argentine Mesopotamia: it is 857 km long. It is born in the north of Entre Ríos and flows into the Paraná Pavón / Paraná Ibicuy arms of the Paraná river. Its average flow is 210 m³/s.

12. Reef River

To the north of the Province of Buenos Aires is one of the most fertile areas in the world, thanks to the Arrecifes River. It is born near the limit of the province of Santa Fe and passes through the district of Rojas, Salto, Arrecifes, Capitán Sarmiento, San Pedro and Baradero. In each place it receives a different name: Rojas river, Pergamino stream, Arrecifes river.

13. Carcaraña River

Belonging to the province of Córdoba (an area that stands out for its numerous rivers), the Carcarañá passes through the province of Santa Fe and flows into the Coronda river. Its total route is 240 km, totally navigable. In addition, it passes through the richest territories in cereals and dairy products in the world.

14. Limay River

It is one of the most important rivers in Patagonia. It is born in the Nahuel Huapi lake and converges with the Neuquén in the Negro formation.

With a basin of 63,700 km² and a length of about 500 km, it is one of the rivers with the greatest energy potential in Argentina, with hydroelectric dams such as Alicurá, Piedra del Águila, Pichi Picún Leufú, El Chocón (the second most important in the country) and Arroyito.

15. Pepirí Guazú River

The Pepirí Guazú is located in the limits of Misiones and Santa Catarina (Brazil). Its mouth is in the Uruguay River and presents numerous meanders along its route.

16. Mocoreta River

Its origin is in Corrientes, more precisely in Curuzú Cuatiá, and it heads south until it reaches the border with Entre Ríos. It flows into the Uruguay River and its route is 140 kilometers.

17. Paraguay River

The Paraguay is considered one of the most important rivers of the continent. It is the main source of the Paraná River and passes through Brazil, Bolivia, Paraguay and Argentina, where it empties into the Paraná.

It is also the natural border limit between Paraguay and Argentina. Its basin is one of the largest in the world: it has a surface area of ​​1,170,000 km² and is also one of the longest on Earth, with a total length of 2,626 km.

The name comes from Guarani and means «river of the payaguás». Payaguás was the name with which the Guarani called the people who lived at the confluence of the Paraná and Paraguay rivers.

18. Guayquiraro River

With a route of 158 kilometers that covers the provinces of Entre Ríos and Corrientes, the Guayquiraró belongs to the Paraná hydrographic basin. It also serves as the border between the cities of Curuzú Cuatiá and Sauce. It flows into the Espinillo stream, one of the many branches of the Paraná. Its basin measures about 9,701 km².

19. Corrientes River

Despite being a small river, the Corrientes is important as a drain for its 13,000 km² of wetlands. It is located in the province of Corrientes and flows into the Paraná River. The width of the river is about 20 meters and on its banks you can see mountains of palm trees and undergrowth, ideal for growing tobacco and citrus.

20. Itiyuro River

It is born in Bolivia but crosses the province of Salta, in Argentina. More precisely, it forms in the town of Padcaya and after a few kilometers it crosses the Argentine border. There it begins its way to the southeast until it reaches the town of General José de San Martín.

21. Suquia River

The Suquía river is one of the most important in the province of Córdoba. Its birth is due to the union of several rivers in the north of Cordoba.

22. River Plate

For Argentines, and especially for porteños (inhabitants of the Federal Capital), the Río de la Plata is more than a river: it is a symbol. It is formed by the union of the Paraná and Uruguay rivers and is an important estuary of the Atlantic Ocean. It also marks the border between Uruguay and Argentina and has a basin of 3,200,000 km².

Although most consider it a river, there are some specialists who resist this name and prefer to call it a gulf or marginal sea. Those who consider it a river point to it as the widest in the world, with a width of 219 kilometers.

23. Gualeguaychu River

Noted for being a privileged area for fishing, the Gualeguaychú River is also an important symbol for the province of Entre Ríos. It measures 268 kilometers in length and is the second most important in the province, behind the Gualeguay River.

24. Uruguay River

The Uruguay is considered an international river, since it is born in the southeast of Brazil and flows into the Río de la Plata, in Argentina. Together with Paraná and Paraguay, it is one of those responsible for forming the La Plata basin.

25. Parana River

The Paraná is not only one of the most important in Argentina, but also one of the most important in South America. It crosses the southern half of the continent, has several wetlands such as the Pantanal, the Esteros del Iberá and Bañado la Estrella.

It is the second largest basin in South America, only surpassed by the Amazon River. The Paraná is the sixth most important plain river in the world. It mobilizes a colossal flow of 16,000 cubic meters per second. The Paraná is classified as an alluvial river, since it transports sediments that generate islands.

Deja una respuesta

Tu dirección de correo electrónico no será publicada. Los campos obligatorios están marcados con *