About 80 % of the region is below in elevation ; the lowest elevation,, is found in the extreme south at the confluence of the Río Paraguay and Río Paraná.

The Eastern region is drained primarily by rivers that flow westward to the Río Paraguay, although some rivers flow eastward to the Río Paraná.

The Paraná Plateau's western edge is defined by an escarpment that descends from an elevation of about in the north to about at the subregion's southern extremity.

Between these two upland subregions is the Central Lowland, an area of low elevation and relief, sloping gently upward from the Río Paraguay toward the Paraná Plateau.

About 4700 km long, the Paraná River is the second major river in the country.

In general, the Río Paraná is navigable by large ships only up to Encarnación, Paraguay but smaller boats may go somewhat farther.

During the mild winters, July is the coldest month, with a mean temperature of about in Asunción and on the Paraná Plateau.

The annual average rainfall is, although the average on the Paraná Plateau is greater.

* November 20 – Battle of Vuelta de Obligado: The Argentine Confederation is narrowly defeated by an Anglo-French fleet on the waters of the Paraná River.

Iguazu Falls is located where the Iguazu River tumbles over the edge of the Paraná Plateau, upriver from the Iguazu's confluence with the Paraná River.

River traffic is mostly made up of cargo, especially on the Paraná River, which is navigable by very large ships ( Panamax kind ) downstream from the Greater Rosario area.

The Itaipu Dam (,, ;, ) is a hydroelectric dam on the Paraná River located on the border between Brazil and Paraguay.

It is a binational undertaking run by Brazil and Paraguay at the Paraná River on the border section between the two countries, north of the Friendship Bridge.

The first two Jesuits, Father Barcena and Father Angulo, came to what is now the State of Paraná, Southern Brazil, in 1585, by land from the west.

However, that is rare in Brazilian Portuguese except in such areas as Curitiba in the state of Paraná.

The plant is grown and processed mainly in South America, more specifically in northern Argentina ( Corrientes, Misiones ), Paraguay, Uruguay and southern Brazil ( Rio Grande do Sul, Santa Catarina, Paraná and Mato Grosso do Sul ).

Clube Atlético Paranaense, commonly known as Atlético Paranaense, is a Brazilian football team from Curitiba in Paraná, founded on March 26, 1924.

The Río de la Plata (, River of Silver ) — usually rendered River Plate in British English and the Commonwealth, and occasionally rendered Plata River in other English-speaking countries — is the estuary formed by the confluence of the Uruguay River and the Paraná River on the border between Argentina and Uruguay.

Paraná () is one of the 26 states of Brazil, located in the South of the country, bordered on the north by São Paulo state, on the east by the Atlantic Ocean, on the south by Santa Catarina state and the Misiones Province of Argentina, and on the west by Mato Grosso do Sul and the republic of Paraguay, with the Paraná River as its western boundary line.

Cut by the Tropic of Capricorn, Paraná has what is left of the araucaria forest, one of the most important subtropical forests in the world.

Conectiva was a company founded on August 28, 1995, in Curitiba, Paraná, Brazil, by a group of friends, among them Arnaldo Carvalho de Melo, who was a pioneer in the distribution of Linux and open source software in Brazilian Portuguese, Spanish and English for all of Latin America.

Leaving a small force on the northern shore of the broad estuary, Cabot proceeded up the Río Paraná uneventfully for about 160 kilometres and founded a settlement he named Sancti Spiritu.

Cabot retraced his route on the Río Paraná and entered the Río Paraguay.

A 1956 agreement with Brazil to improve the transport link between the two countries by building roads and a bridge over the Río Paraná broke Paraguay's traditional dependence on Argentine goodwill for the smooth flow of Paraguayan international trade.

Brazil's financing of the US $ 19 billion Itaipú Dam on the Río Paraná between Paraguay and Brazil had far-reaching consequences for Paraguay ; it had no means of contributing financially to the construction, but its cooperation, including controversial concessions regarding ownership of the construction site and the rates for which Paraguay agreed to sell its share of the electricity, was essential.

The first of these eroded extensions stretching westward of the Paraná Plateau — the Northern Upland — occupies the portion northward from the Aquidabán River ( Río Aquidabán ) to the Apa River on the Brazilian border.

Asunción has recorded as much as and as little as of annual rainfall ; Puerto Bertoni on the Paraná Plateau has recorded as much as and as little as.

Iguazu Falls, Iguassu Falls or Iguaçu Falls ( ; ; ) are waterfalls of the Iguazu River on the border of Brazilian State Paraná and Argentine Province Misiones.

from the two main towns on either side of the falls: Puerto Iguazú in Argentina and Foz do Iguaçu in Brazil, as well as from Ciudad del Este, Paraguay, on the other side of the Paraná river from Foz do Iguaçu.

In the east, the heavily wooded Paraná Plateau occupies one-third of the region and extends its full length from north to south and up to westward from the Brazilian and Argentine borders.

* May 24 – Battle of Tuyutí: 32, 000 soldiers of the Triple Alliance defeat 24, 000 Paraguayan soldiers few miles north of the Paraná, Argentina in the Paraguayan War, with 16, 000 casualties.

The 2, 550-km Paraguay River forms part of the border between Paraguay and Argentina, and flows into the Paraná north of Corrientes and Alto Paraná.

They travel around the north, in the Paraná, Paranapanema and Ivaí rivers, and found gold for the first time, in the south part, around what is now Curitiba.

A third place was the missions of the Spanish Jesuits on the Paraná River, situated just above the Guaíra Falls in the north, there priests try to evangelize the Indians into their faith, and at the same time to create a social structure of labor and education based on the catholic systems, that some historians perceive as driven by social conscience, other by an agenda of the usual fight for domination of the land.

Neighboring Brazilian states are ( from north clockwise ) Mato Grosso, Goiás, Minas Gerais, São Paulo and Paraná.

Located in north west of Paraná and crossed by the Tropic of Capricorn it is a regional centre for commerce, services, agro-industries, and universities, including the State University of Maringá.

They can be seen as far south as Buenos Aires, when they are carried by the flood waters of the Paraná River coming from farther north.

Sebastián Gaboto established in 1527 the Sancti Spiritu fort upstream of the Paraná River, and in 1536 Pedro de Mendoza reached further north into the basin of the river, searching for the Sierras of Silver.

To the west, Ñeembucú is limited by the Rio Paraguay and Argentina, to the south by the Rio Paraná and Argentina, to the north by the Central department, and to the east by the departments of Paraguarí and Misiones.

Chavantes is a city in the southwestern part of the state of São Paulo, Brazil, that borders the city of Santa Cruz do Rio Pardo to the north ; Timburi and Ribeirao Claro in the state of Paraná to the south, which is separated from São Paulo state by the Paranapanema River ; Ipaussu to the east: and Canitar, which previously belonged to its municipality ; and Ourinhos the seat of its comarca or county to the west.

It flows about from its headwaters in the Brazilian state of Mato Grosso to its confluence with the Paraná River north of Corrientes.

Then were added the Roque Saenz Peña ( 1911 ) and Ezequiel Ramos Mejía ( 1913 ) paddled train ferries at Posadas ( crossing the Paraná river in the southwest of the Misiones province, at the north of the country, in the frontier with Paraguay ).

Until the opening of this bridge, the only road link between the two provinces, and between two commercially very important regions of Argentina, was the Hernandarias Subfluvial Tunnel which joins the cities of Santa Fe and Paraná, about 120 kilometers ( 75 mi ) north from Rosario.

At that time the Northern Aché still ranged free over a huge region from San Joaquin mountains to the Paraná River and from the Acaray River north to the Mbaracayu Mountains, and there were approximately 560 individuals in the population.

The partido is bound to the north by the Paraná de las Palmas River, to the northeast by the Río de la Plata, to the southeast by San Fernando Partido, to the south by San Martín Partido, to the southwest by Malvinas Argentinas Partido and to the west by Escobar Partido.

That same year, with law # 426 of Territory political division, on expense of the separation of the territories of Caaguazú and Alto Paraná that loses all the north area of the Itambey river, with the district of Salto del Guairá.

Salto del Guairá is in the Department of Canindeyú, the eastern of the country, its geographical location is latitude 24 º 04 ' S and longitude 54 ° 20 W. This makes District boundaries to the north with the cities of Novo Mundo ( MS ) and Guaira ( PR ), Brazil as the latter taking the limit Paraná River and east, separated from this country in the mountains Amambay and Mbarakayú and the Paraná River, respectively.