San Juan River (Colombia)

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Río San Juan
Mapa de Colombia (ríos).svg
Rivers in Colombia. The mouth of the San Juan is near the center of the country's Pacific coast
Country Colombia
Region Chocó Department
Physical characteristics
Main source Cerro Caramanta, West Andes
River mouth Pacific Ocean near Buenaventura
Length 380 km (240 mi)

The San Juan River (Spanish: Río San Juan) is an important river of Colombia that flows into the Pacific Ocean through the Chocó Department. It is approximately 380 kilometres (240 mi) and drains a watershed of 2,100 square kilometres (810 sq mi). The river drains into a large delta that covers nearly 300 square kilometres (120 sq mi).


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.[1]


Monthly average flow of San Juan River ( m³/second) measured at Penitas station
Data from 25 years[2]

See also[edit]


  1. ^ Carlos Borda, Northern South America: Northern Colombia, WWF: World Wide Fund for Nature, retrieved 2017-06-19 
  2. ^ Unesco - San Juan River at Penitas

External links[edit]

Coordinates: 4°02′42″N 77°26′29″W / 4.04500°N 77.44139°W / 4.04500; -77.44139