description Orinoco Overview
The Orinoco is a major South American river about 2,140 kilometers long, rising in southern Venezuela and flowing in a broad arc through Venezuela and along part of the Colombia border before entering the Atlantic Ocean through a large delta. Its basin includes the Venezuelan Llanos, forests, wetlands, and rich aquatic habitats. The river is relevant to studies of tropical biodiversity, Indigenous communities, freshwater systems, and the geography of Venezuela and Colombia.
help Orinoco FAQ
Where does the Orinoco River begin and where does it reach the Atlantic?
The Orinoco rises in southern Venezuela and flows about 2,140 kilometers in a broad arc. It reaches the Atlantic Ocean through a large delta in northeastern Venezuela.
Does the Orinoco River flow through Colombia?
Most of the Orinoco is in Venezuela, but part of its course forms or follows the Venezuela-Colombia border. Its wider basin also includes Colombia's Llanos grasslands.
What is the Casiquiare Canal's connection to the Orinoco?
The Casiquiare is a natural waterway that branches from the upper Orinoco and flows toward the Rio Negro. It creates a rare natural connection between the Orinoco and Amazon drainage systems.
What is the Orinoco Delta like?
The lower river divides into many distributaries, wetlands, and forested channels before entering the Atlantic. The delta is part of Venezuela's broad lowland basin and is influenced by seasonal river flow.
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