- Countries
- Colombia Brazil Ecuador Peru
- Source
- Andes Mountains
- Location
- East of Pasto , Colombia
- Coordinates
- 1°07′23″N 77°03′22″W / 1.123°N 77.056°W / 1.123; -77.056
- Elevation
- 3,000 m (9,800 ft)
- Mouth
- Amazon River
- Length
- 1,813 km (1,127 mi) to 2,004.6 km (1,245.6 mi)
- Basin size
- 120,545 km (46,543 mi )
- Average
- (Period: 1979–2015)8,519.9 m /s (300,880 cu ft/s) (Period: 1973–1990)8,760 m /s (309,000 cu ft/s)
- Minimum
- 2,054 m /s (72,500 cu ft/s)
- Maximum
- 12,522 m /s (442,200 cu ft/s)
- Progression
- Amazon → Atlantic Ocean
- River system
- Solimões
- Left
- Juanambu, Caucayá, Penella, Cara Paraná , Igara Paraná , Quebrada Mutún, Pupuña, Alegría, Igarapé Cauíra
- Right
- San Juan, Orito, Guamués , Cohembi, San Miguel , Güeppi, Campuya, Ere, Algodón, Yaguas, Cotuhé , Puretê , Paraná de Jacurapa