Pilcomayo is a river in central South America. At 1,100 kilometres (680 mi) long, 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).
Pilcomayo River, in the Dry Chaco
The Misión La Paz Bridge over the Pilcomayo River, between Pozo Hondo, Boquerón and Misión La Paz, Salta, (PY)-(AR) border.
The Pilcomayo River seen at the Aguaragüe National Park and Integrated Management Natural Area, in Bolivia
A 19th century-built footbridge over the Pilcomayo River as seen at Bolivia's Route 5, between Sucre and Potosí, Southern Bolivia.
The Paraguay River is a major river in south-central South America, running through Brazil, Bolivia, Paraguay and Argentina. It flows about 2,695 kilometres (1,675 mi) from its headwaters in the Brazilian state of Mato Grosso to its confluence with the Paraná River north of Corrientes and Resistencia.
Deep water port on the River Paraguay in Asunción, Paraguay
The very clear waters of the Rio da Prata, part of the Paraguay River basin near Bonito, Brazil, is rich in fish, such as Brycon hilarii (yellowish) and Prochilodus lineatus (dark)
A golden dorado (foreground) and four Brycon hilarii (behind) in Rio da Prata, part of the Paraguay River basin near Bonito, Brazil
Paraguay River in the Amolar Mountains, in Corumbá, Mato Grosso do Sul, Brazil
