text: it is located in south america,most voluminous,second longest,Nevado Mismi\nMouth Atlantic Ocean\nBasin countries Brazil (62.4%), Peru (16.3%)\nBolivia (12.0%), Colombia (6.3%)\nEcuador (2.1%)\nLength 6,516 km (4,049 mi)\nSource elevation 5,597 m (18,360 ft)\nAvg. discharge 219,000 m³/s (7,740,000 ft³/s)\nBasin area 6,915,000 km² (2,670,000 mi²)