Madeira–Mamoré–Grande–Caine–Rocha.
Japurá (Rio Yapurá) is a river that stretches 2,615 kilometers (or 1,625 miles) in length, draining from a 242,259 km2 basin in Brazil and Colombia.
Its average discharge rate is 6,000 m3/3 and the river flows out into Amazon River.
Compare Japurá (Rio Yapurá) with Orinoco from South America.
Compare Japurá (Rio Yapurá) with São Francisco from South America.
Negro is the 3rd largest river by average discharge rate in Brazil at 26,700 m3/s.
Negro is a river that is 2,250 kilometers (or 1,398 miles) long and drains from a 720,114 km2 drainage basin in Brazil, Venezuela and Colombia.
The average volume of water flow is 26,700 m3/3 and the river flows out into Amazon River.
More on the longest and largest river systems in the world:
World: Longest | Largest by Discharge Volume | Largest by Drainage Area
By Country: Australia | Brazil | Canada | China | France | Russia | UK | USA
Europe: Longest | Largest by Discharge Volume | Largest by Drainage Area
Asia: Longest | Largest by Discharge Volume | Largest by Drainage Area
Africa: Longest | Largest by Discharge Volume | Largest by Drainage Area
Oceania: Longest | Largest by Discharge Volume | Largest by Drainage Area
North America: Longest | Largest by Discharge Volume | Largest by Drainage Area
South America: Longest | Largest by Discharge Volume | Largest by Drainage Area
Outflows: Amazon River | Atlantic Ocean | Black Sea | Mississippi River | Pacific Ocean