Purus River

Purus River
Purus River
Map of the Amazon Basin with the Purus River highlighted
Location
CountryBrazil, Peru
Physical characteristics
SourceConfluence of Cujar and Curiuja rivers
 • locationUcayali Region, Peru
 • coordinates10°44′56″S 71°47′14″W / 10.74889°S 71.78722°W / -10.74889; -71.78722
 • elevation330 m (1,080 ft)
2nd sourceMost distant source approximate area. Headwaters of Cujar River.
 • locationUcayali Region, Peru
 • coordinates10°42′52″S 72°26′44″W / 10.71444°S 72.44556°W / -10.71444; -72.44556
 • elevation498 m (1,634 ft) 520 m (1,710 ft)
Mouth 
 • coordinates
3°41′35″S 61°28′12″W / 3.69306°S 61.47000°W / -3.69306; -61.47000
 • elevation
11 m (36 ft)
Length3,361.02 km (2,088.44 mi) 3,382 km (2,101 mi)
Basin size371,042 km2 (143,260 mi2) to 376,600 km2 (145,400 mi2)
Discharge 
 • locationConfluencia of Solimões, Amazonas State (near mouth)
 • average(Period: 1973–1990)10,970 m3/s (387,000 cu ft/s) (Period: 1979–2015)11,206.9 m3/s (395,770 cu ft/s)
Discharge 
 • locationArumã-Jusante, Amazonas State (359,853 km2 (138,940 sq mi)
 • average(Period of data: 1970–1996)10,469 m3/s (369,700 cu ft/s)
Discharge 
 • locationLábrea, Amazonas State (Basin size: 220,351 km2 (85,078 sq mi)
 • average(Period of data: 1970–1996)5,569 m3/s (196,700 cu ft/s)
Basin features
ProgressionAmazonAtlantic Ocean
River systemSolimões
Tributaries 
 • leftInauini, Pauini, Tapauá
 • rightChandless, Iaco, Acre, Sepatini, Ituxi, Mucuim, Itaparaná

The Purus River (Portuguese: Rio Purus; Spanish: Río Purús) is a tributary of the Amazon River in South America. Its drainage basin is 371,042 km2 (143,260 sq mi), and the mean annual discharge is 11,207 m3/s (395,800 cu ft/s). The river shares its name with the Alto Purús National Park and the Purús Province (and its conformed Purús District), one of the four provinces of Peru in the Ucayali Region.