The Casiquiare river is a distributary of 326 km of the upper Orinoco flowing southward into the Rio Negro, entirely 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 (W). For more informations, see Laraque, A. et al. (PRE-PRINT, 2019).
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| CASIQUIARE INFORGRAPHIC WITH MAP AND IMAGES OF THE TWO EXTREME POINTS |
The origin of the Casiquiare, at the River Orinoco, is 14 km below the mission of La Esmeralda at 3°8′18.5″N 65°52′42.5″W, and about 123 m above sea level. Its mouth at the Rio Negro, an affluent of the Amazon River, is near the town of San Carlos and is 91 metres above sea level (W)