There over 1'100 tributaries in the Amazon river.
tributaries of amazon river is tapajos river and madeira river
Basin
The Amazon Basin is the part of South America drained by the Amazon River and its tributaries. The basin is located mainly (40%) in Brazil, but also stretches into Peru and several other countries.
Delta
The area drained by a river and its tributaries.
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Delta
A tract of land that is drained by a river and its tributaries.
A tract of land that is drained by a river and its tributaries.
A river system that operates inside a drainage basin. A drainage basin is the area of land drained by a river and its tributaries.
a wide mass of land drained by a river and its tributaries or draining into a lake.