The river's name is derived from the Warao term for "a place to paddle", itself derived from the terms güiri (paddle) and noko (place) i.e. a navigable place.

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The mouth of the Orinoco River at the Atlantic Ocean was documented by Christopher Columbus on 1 August 1498, during his third voyage. Its source at the Cerro Delgado–Chalbaud,

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The course of the Orinoco forms a wide ellipsoidal arc, surrounding the Guiana Shield; it is divided in four stretches of unequal length that very

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The boto and the giant otter inhabit the Orinoco River system. The Orinoco crocodileis one of the rarest reptiles in the world. Its range in the wild is restricted to the middle and lower

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Encompassing the states of Anzoategui-Guarico and Monagas states, the Interior Range forms the northern boundary and the Guayana Shieldthe southern boundary. Maturin forms the eastern

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Since 1973, the Civil Association Nuestros Rios son Navegables organize the Internacional Rally Nuestros Rios son Navegables, a motonautical round trip of over 1,200 kilometers through the Orinoco, Meta and Apure Rivers. Starting out from Ciudad Bolívar or San

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The river is navigable for most of its length, and dredging enables ocean ships to go as far as Ciudad Bolívar, at the confluence of the Caroní River, 435 kilometres (270 mi)

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