Pilcomayo (in Hispanicized spelling)[2] (Quechua Pillkumayu or Pillku Mayu, pillku red, mayu river,[3] "red river", Guarani Ysyry Araguay[ʔɨsɨˈɾɨʔaɾaɰʷaˈɨ]) is a river in central South America. At 1,100 kilometres (680 mi) long,[4] it is the longest western tributary of the Paraguay River. Its drainage basin is 270,000 square kilometres (100,000 sq mi) in area, and its mean discharge is 200 cubic metres per second (7,100 cu ft/s).[4]
Along its course, the Pilcomayo silts up and splits into two main branches, North and South. After some distance, these branches rejoin to form the Lower Pilcomayo.[4]
The Pilcomayo rises in the foothills of the Andes mountain range in the Oruro Department in Bolivia, east of Lake Poopó. The Jach'a Juqhu River is considered the origin of the Pilcomayo.[5] Upstream the Jach'a Juqhu River successively receives the names Aguas Calientes and Kachi Mayu. From the confluence with the Chillawa (Chillahua), the river is called Pilcomayo.[6][7] From there, it flows in a southeasterly direction through Chuquisaca and Tarija departments, passes through the Argentine province of Formosa and the Gran Chaco plains of Paraguay, forming most of the border between these two countries before it joins the Paraguay River near Asunción. The Río Pilcomayo National Park is located on the Argentine side of the border. It also forms a short part of the boundary between Argentina and Bolivia, just prior to the Argentina–Bolivia–Paraguay tripoint.
^"Rio Pilcomayo". Ramsar Sites Information Service. Retrieved 25 April 2018.
^Río Pilcomayo at GEOnet Names Server
^Teofilo Laime Ajacopa, Diccionario Bilingüe, Quechua-Castellano, Castellano Quechua, La Paz, 2007: mayu - s. Río.pillku - adj. Rojo (sínón.: Puka).
^ abcVaris, Olli; Tortajada, Cecilia; Biswas, Asit K. (2008). Management of Transboundary Rivers and Lakes. Springer. p. 271. ISBN 978-3-540-74926-4.
^Jorge Molina Carpio, Daniel Espinoza Romero, Balance hídrico superficial de la cuenca alta del río Pilcomayo, La Paz 2005 (Spanish)
^lib.utexas.edu Map showing Jach'a Juqhu River from the origin
^Santiago de Huari Municipality: Archived 2014-10-16 at the Wayback Machine population data and map showing Jach'a Juqhu River
Pilcomayo (in Hispanicized spelling) (Quechua Pillkumayu or Pillku Mayu, pillku red, mayu river, "red river", Guarani Ysyry Araguay [ʔɨsɨˈɾɨ ʔaɾaɰʷaˈɨ])...
Pilcomayo may refer to : PilcomayoRiverPilcomayo Department, Argentina Apostolic Vicariate of Pilcomayo, a pre-diocesan Catholic missionary jurisdiction...
Bermejo and the PilcomayoRiver to the north, also now in Argentinian territory; and the Chaco Boreal or Northern Chaco, north of the Pilcomayo up to the Brazilian...
Pescado River Iruya River Río Grande de Tarija Itaú River Lipeo RiverPilcomayoRiver Pilaya River (Bolivia) San Juan del Oro River (Bolivia) Río Grande...
floodplain of the Paraguay River, Pozo Azul, Laguna Salada, and the Floodplain of the PilcomayoRiver. The PilcomayoRiver's deviation towards Argentina...
Mataco-Guaicuru family and is spoken by some 27,000 people in the PilcomayoRiver area, Formosa. The term "mataco" used to name the languages and towns...
Paraguay, at the confluence with the PilcomayoRiver and passing the Paraguayan capital city, Asunción, the river forms the border with Argentina, flowing...
find a route from Viceroyalty of Peru to Asunción. Because the Pilcomayo and Bermejo Rivers are so shallow, the attempts to set a route towards Asunción...
outposts in the Chaco, Ballivián and Guachalla, this time along the PilcomayoRiver. The Bolivian government ignored the halfhearted Paraguayan official...
there, Qom communities extended in territory until the Bermejo River and the PilcomayoRiver, overlapping with other indigenous communities. The large demographic...
Argentina should not receive "a handsbreadth of territory" above the PilcomayoRiver. It set out to frustrate Argentina's further claim, with eventual success...
This is a list of the longest rivers on Earth. It includes river systems over 1,000 kilometres (620 mi) in length. There are many factors, such as the...
Paraguay Paraná River: Brazil and Paraguay PilcomayoRiver: Argentina and Paraguay Putumayo River: Colombia and Peru Rapirrán River: Brazil and Bolivia...
handbreadth of territory" above the PilcomayoRiver. The Pilcomayo flows through the Gran Chaco into the right bank of the River Paraguay (see map), but Argentina's...
the Paraguay River. The large Argentina–Paraguay border comprises the PilcomayoRiver (Río Pilcomayo), Paraná River, and Paraguay River. Argentina and...
ahead under the command of Miguel de Rifos. Near the confluence of the PilcomayoRiver, Rifos decided to disembark with a few men after being welcomed by...
Madeira river basin at Rivers Network. Amur river basin at Rivers Network Lower, Middle and Upper Euphrates river basin at Rivers Network Dnieper river : Watersheds...
River. The Grande River and the San Francisco River flow to the Bermejo River. The San Juan, La Quiaca, Yavi and Sansana Rivers flow to the Pilcomayo...
in 1933 in the course of an engagement on the southern bank of the Pilcomayoriver against members of the Maká tribe commanded by deserters who had looted...
speciation especially in the Rio Grande river valley and vegetation influence from the Chaco in the Pilcomayoriver valley. Wet forest ecosystems like those...
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