The Rio Casiquiare, the river that flowed both ways
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Orinoco Casiquiare Expedition
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Puerto Ayacucho in Amazonas, Venezuela, Cathedral, travel, Casiquiare canal
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Brazo Casiquiare ws 1 the orinoco to san carlos de rio negro
The Casiquiare river is a distributary of the upper Orinoco flowing southward into the Rio Negro, in Venezuela, South America. As such, it forms a unique natural canal between the Orinoco and Amazon river systems. It is the world's largest river of the kind that links two major river systems, a so-called bifurcation. The area forms a water divide, more dramatically at regional flood stage.