Paranapanema River

Paranapanema River
Map of the La Plata Basin, showing the Paranapanema River joining the upper Paraná River.
Location
CountryBrazil
StateSão Paulo, Paraná
Physical characteristics
SourceSerra dos Agudos
  coordinates24°51′S 48°10′W / 24.850°S 48.167°W / -24.850; -48.167
  elevation910 m (2,990 ft)
MouthParaná River
  location
Brazil
  coordinates
22°39′31″S 53°5′15″W / 22.65861°S 53.08750°W / -22.65861; -53.08750
  elevation
233 m (764 ft)
Length929 km (577 mi)
Basin size101,738.7 km2 (39,281.5 sq mi)
Discharge 
  locationNear mouth
  average(Period: 1971–2000)1,198.4 m3/s (42,320 cu ft/s)
Basin features
ProgressionParanáRío de la PlataAtlantic Ocean
River systemRío de la Plata
Tributaries 
  leftApiai-Guaçu, Taquari-Guaçu, Itararé, Das Cinzas, Tibagi, Pirapó
  rightItapetininga, Pardo

The Paranapanema River (Portuguese, Rio Paranapanema) is one of the most important rivers of the interior of the Brazilian state of São Paulo. The river forms most of the boundary between the states of São Paulo and Paraná.