By Drainage Basin

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

La Plata Basin

La Plata Basin

The Río de la Plata Basin , sometimes called the Platine basin or Platine region, is the name given to the hydrographical area that covers parts of Argentina, Brazil, Bolivia, Paraguay and Uruguay...

• Paraná River
  Paraná River
  The Paraná River is a river in south Central South America, running through Brazil, Paraguay and Argentina for some . It is second in length only to the Amazon River among South American rivers. The name Paraná is an abbreviation of the phrase "para rehe onáva", which comes from the Tupi language...
  
  
  • Paraguay River
    Paraguay River
    The Paraguay River is a major river in south central South America, running through Brazil, Bolivia, Paraguay, and Argentina...
    
    
    • Tebicuary River
      Tebicuary River
      The Tebicuary River , a tributary of Paraguay River is a river in Paraguay. Located in the southwestern part of that country, it flows eastwards discharging to Paraguay River about 45 km south of Formosa and 30 km north of Pilar....
      
      
    • Pilcomayo River
      Pilcomayo River
      The Pilcomayo River is a river in central South America. At long, it is the longest western tributary of the Paraguay River. Its drainage basin is in area, and its mean discharge is ....
      
      
    • Salado River
      Salado River (Paraguay)
      The Salado River is a river of Paraguay. It is a tributary of the Paraguay River.-See also:*List of rivers of Paraguay...
      
      
    • Piribebuy River
      Piribebuy River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Confuso River
      Confuso River
      The Confuso River is a river of Paraguay. It is a tributary of the Paraguay River.-See also:*List of rivers of Paraguay...
      
      
    • Manduvirá River
      Manduvirá River
      The Manduvirá River is a river of Paraguay. It is a tributary of the Paraguay River.-See also:*List of rivers of Paraguay...
      
      
    • Jejuy River
      Jejuy River
      The Jejuy River , a tributary of Paraguay River, is a river in Paraguay. Located in the northweastern part of that country, it flows eastwards discharging to Paraguay River north of Asunción. Aracaré was said to be from the Jejuy River....
      
      
      • Yhagüy River
        Yhaguy River
        The Yhagüy River is a small river running north-south in Cordillera Department, Paraguay.In places it is little more than a stream and is also known as Arroyo Yhaguy-Guazú and Arroyo Yhaguy)...
        
        
    • Aguaray-Guazú River
      Aguaray-Guazú River (Paraguay River)
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Negro River
      Negro River (Paraguay)
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
      • Aguaray-Guazú River
        Aguaray-Guazú River (Jejuí Guazú River)
        -References:*Rand McNally, The New International Atlas, 1993.*...
        
        
    • Jejuí Guazú River
      Jejuí Guazú River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
      • Curuguaty River
        Curuguaty River
        -References:*Rand McNally, The New International Atlas, 1993.*...
        
        
    • Monte Lindo River
      Monte Lindo River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Ypané River
      Ypané River
      The Ypané River is a river of Paraguay. It is a tributary of the Paraguay River.-See also:*List of rivers of Paraguay* Tributaries of the Río de la Plata...
      
      
    • Aquidabán River
      Aquidabán River
      The Aquidabán River is a river of Paraguay.-References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Verde River
      Verde River (Paraguay)
      The Verde River is a river of Paraguay. It is a tributary of the Paraguay River.-References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Apa River
      Apa River
      The Apa River is a river of Paraguay and Brazil. It is a tributary of the Paraguay River, which in turn is a tributary of the Paraná River. The Apa forms part of the border between Paraguay and Brazil.-See also:...
      
      
    • Melo River
      Melo River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Tímane River
      Tímane River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
    • Bamburral River
      Bamburral River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
       or Negro
  • Monday River
    Monday River
    -References:*Rand McNally, The New International Atlas, 1993.*...
    
    
  • Acaray River
    Acaray River
    -References:*Rand McNally, The New International Atlas, 1993.*...
    
    
    • Yguazú River
      Yguazú River
      -References:*Rand McNally, The New International Atlas, 1993.*...
      
      
  • Ytambey River
    Ytambey River
    -References:*Rand McNally, The New International Atlas, 1993.*...
    
    
  • Carapá River
    Carapá River
    -References:*Rand McNally, The New International Atlas, 1993.*...