San Juan River (Colombia)


The San Juan River is an important river of Colombia that flows into the Pacific Ocean through the Chocó Department. It is approximately and drains a watershed of. The river drains into a large delta that covers nearly. The average discharge of the Rio San Juan is 2,054.67 m³/s.

Geography

The river begins on Cerro Caramanta in the West Andes. The delta is due north of Bahía Málaga and Buenaventura.
The mouth of the river has extensive stands of mangroves, part of the Esmeraldes-Pacific Colombia mangroves ecoregion.

Hydrometry


Monthly average flow of San Juan River measured at Penitas station
Data from 25 years

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bar:Aug at: 2042 fontsize:S text: 2.042 shift:
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bar:Oct at: 2682 fontsize:S text: 2.682 shift:
bar:Nov at: 2669 fontsize:S text: 2.669 shift:
bar:Dec at: 2157 fontsize:S text: 2.157 shift:

Fauna

A species of snake, Dipsas sanctijoannis, is named after the San Juan River of Colombia, and is native to the watershed.