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The town of Gualeguaychú is on the Río Gualeguaychú, a tributary of the Río Uruguay. Long before the Europeans came here, the Guaraní called the stream, Yaguar í Guazú, or Big Jaguar River. None of those large cats may live in these parts any longer, but Gualeguaychú has its charms. In these modern times, it is the land border crossing closest to capital cities Buenos Aires and Montevideo. The city is privileged to have fine beaches on both the Gualeguaychú and Uruguay Rivers. It is the gateway into the land of hot springs in eastern Entre Ríos Province. But foremost, Gualeguaychú has Argentina’s biggest Carnaval celebration.

In the 17th Century, Spanish colonists began to drift up into this area. They founded Gualeguaychú’s predecessor, the indigenous reducción Yaguarí Miní, some 7 leagues (34 km / 21 mi) south of the present location. Near here was the port, Rincón de Landa. The region faced much disturbance, with Portuguese slave trader invasions and indigenous attacks. Another settlement just south of the present city already existed by 1770. Its chapel, now known as the Capilla La Fundadora, is where some of the earliest Gualeguaychuenses are buried (Ayacucho al Sur and Méndez). The Viceroyalty decided to establish a permanent city. Don Tomás de Rocamora, a native of Granada, Nicaragua, headed up the project and on October 18, 1783, Gualeguaychú officially came into being. His home, Casa Aedo on the corner of Plaza San Martín, is the city’s oldest building (San José and Rivadavia).

During the 19th century, Gualeguaychú was instrumental in the formation of modern-day Argentina. It was one of the first cities to back the Revolución de Mayo, calling for independence from Spain in 1810. It also played significant roles in the struggle against Brazilian invasions, the uprising against Buenos Aires Governor Juan Manuel de Rosas and in the Confederación Argentina. During this era, Gualeguaychú nourished exceptional figures, such as journalist-poet Olegario Andrade, whose house is now a museum (Andrade and Borques).

In the early 20th century, Gualeguaychú was one of the region’s most important slaughterhouse cities. At this time, the Frigorífico Gualeguaychú opened its doors, allowing Argentina to successfully compete against foreign-owned meat packing plants in the Río Uruguay area. The packer closed in the late 1980s. The abandoned building is now a national historic monument (General Perón and Calle de las Tropas).

The frigorífico marks the south end of Gualeguaychú’s Costanera. The greenspace along the Río Gualeguaychú extends north to the city’s main street, Calle San Martín, and the iron bridge, Puente Méndez Casariego. The entire length is popular with fishers. Near Plaza Colón, sailboats depart for cruises along the Gualeguaychú and Uruguay Rivers. Just off-shore is Isla Libertad. Crossing the bridge to the other bank of the Gualeguaychú, travelers come to Parque Unzué and Termas del Gualeguaychú, the town’s hot springs. This road, Ruta Provincial 42, ends at Playa Ñandubaysal, a fashionable summer resort for camping, swimming, kayaking and windsurfing.

Just on the other side of the Río Uruguay is Fray Bentos, Uruguay. Near this town, the company Botnia is building a paper mill. Gualeguaychenses formed the Asamblea Ciudadana Ambiental de Gualeguaychú in 2005, a citizen-based organization that fears the plant’s pollution will damage the river’s fragile ecosystem (URL: Until 2010, citizens blockaded the bridge to Uruguay in protest to the mill. In businesses’ windows all over the city, signs are posted against the Botnia plant. The issue went before The Hague’s International Court, and the two countries’ governments have agreed to establish an agency to monitor the plant’s effects on the river.

(Altitude: 15 m / 49 ft, Population: 76,220, Phone Code: 03446)


Other places nearby Gualeguaychú : Concepción Del Uruguay , Colón, Concordia and Yapeyú.

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Things to do in Gualeguaychú

Casa De Aedo

141340 Casa de Aedo is Gualeguaychú\'s oldest building. City founder Tomás de Rocamora built this home of typical colonial design in 1800-1801. One of his daughters married José Antonio Aedo, who then ...
Gualeguaychú , Argentina

Parque Unzué

Parque Unzué is the year-round gathering place for Gualeguaychuenses and tourists. This 115-hectare park covers a broad peninsula on a bend of the Río Gualeguaychú. In Unzué Grande, the north ...
City Park
Gualeguaychú , Argentina

Termas Del Gualeguaychú

Gualeguaychú is the gateway into the Entre Río Province\'s hot springs corridor along the Río Uruguay. Termas del Gualeguaychú has four pools filled with 37-42ºC (99-108 ºF) waters rich in ...
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Gualeguaychú , Argentina
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