| Guaporé River Iténez River | |
|---|---|
 Rio Guaporé atPontes e Lacerda (Brazil) | |
 Map of the Amazon Basin with the Guaporé River highlighted | |
| Location | |
| Countries | |
| Physical characteristics | |
| Source | Parecis plateau |
| • location | Mato Grosso,Brazil |
| • coordinates | 14°35′58″S58°57′11″W / 14.59944°S 58.95306°W /-14.59944; -58.95306 |
| • elevation | 631 m (2,070 ft) |
| Mouth | Mamoré River |
• location | Brazil/Bolivia |
• coordinates | 11°53′15″S65°1′53″W / 11.88750°S 65.03139°W /-11.88750; -65.03139 |
• elevation | 131 m (430 ft) |
| Length | 1,260 km (780 mi)[1] |
| Basin size | 354,279.3 km2 (136,788.0 sq mi)[2] |
| Discharge | |
| • location | Near mouth |
| • average | 2,738.1 m3/s (96,700 cu ft/s)[3] |
| Discharge | |
| • location | Príncipe da Beira |
| • average | (1985–2013)2,430 m3/s (86,000 cu ft/s)[4] |
| • minimum | 370 m3/s (13,000 cu ft/s)[4] |
| • maximum | 5,200 m3/s (180,000 cu ft/s)[4] |
| Basin features | |
| Progression | Mamoré →Madeira →Amazon →Atlantic Ocean |
| River system | Amazon River |
| Tributaries | |
| • left | Alegre, Verde,Paragua,Río Blanco,Machupo |
| • right | Guatire, Branco, Corumbiara, Colorado, Massaco, Cabixi |
Guaporé River (Portuguese:Rio Guaporé,Spanish:Río Iténez) is a river in westernBrazil and northeasternBolivia. It is 1,260 km (780 mi) long; 920 km (570 mi) of the river forms theborder between Brazil and Bolivia.
The Guaporé is part of theMadeira River basin, which eventually empties into theAmazon River. The Guaporé crosses the eastern part of theBeni savanna region.[5] It forms the border of the 615,771 hectares (1,521,600 acres)Guaporé Biological Reserve, and is fed by rivers originating in the reserve, the São Miguel,Branco, São Simão, Massaco andColorado.[6]
About 260 fish species are known from the Guaporé River basin, and about 25 of these areendemic.[7] While many fish species in the river essentially areAmazonian, the fauna in the Guaporé also has a connection with theParaguay River (part of theRío de la Plata Basin). The Guaporé and the Paraguay, while flowing in different directions, both originate in theParecis plateau of Brazil.[8] Among the fish species shared between these rivers are theblack phantom tetra (important in the aquarium industry) andgolden dorado (important in fisheries).[9][10]
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