San Juan River (Colombia)
Introduction The '''San Juan River''' () is a Colombian river 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 Esmeraldas-Pacific Colombia mangroves ecoregion.
Hydrometry '''Monthly average flow of San Juan River ( m³/second) measured at Penitas station''''''Data from 25 years'''Colors=  id:lightgrey value:gray(0.8)  id:darkgrey  value:gray(0.3)  id:sfondo value:rgb(1,1,1)  id:barra value:rgb(0.6,0.8,0.9)ImageSize  = width:600 height:280PlotArea   = left:40 bottom:40 top:20 right:20DateFormat = x.yPeriod     = from:0 till:3000TimeAxis   = orientation:verticalAlignBars  = justifyScaleMajor = gridcolor:lightgrey increment:500 start:0ScaleMinor = gridcolor:lightgrey increment:250 start:0BackgroundColors = canvas:sfondoBarData=  bar:Jan text:January  bar:Feb text:February  bar:Mar text:March  bar:Apr text:April  bar:May text:May  bar:Jun text:June  bar:Jul text:July  bar:Aug text:August  bar:Sep text:Sept.  bar:Oct text:Oct.  bar:Nov text:Nov.  bar:Dec text:Dec.PlotData=  color:barra width:30 align:left  bar:Jan from:0 till: 1707   bar:Feb from:0 till: 1604   bar:Mar from:0 till: 1495   bar:Apr from:0 till: 1893   bar:May from:0 till: 2223   bar:Jun from:0 till: 2072   bar:Jul from:0 till: 1883   bar:Aug from:0 till: 2042   bar:Sep from:0 till: 2229   bar:Oct from:0 till: 2682   bar:Nov from:0 till: 2669   bar:Dec from:0 till: 2157PlotData=  bar:Jan at: 1707 fontsize:S text: 1.707 shift:(-10,5)  bar:Feb at: 1604 fontsize:S text: 1.604 shift:(-10,5)  bar:Mar at: 1495 fontsize:S text: 1.495 shift:(-10,5)  bar:Apr at: 1893 fontsize:S text: 1.893 shift:(-10,5)  bar:May at: 2223 fontsize:S text: 2.223 shift:(-10,5)  bar:Jun at: 2072 fontsize:S text: 2.072 shift:(-10,5)  bar:Jul at: 1883 fontsize:S text: 1.883 shift:(-10,5)  bar:Aug at: 2042 fontsize:S text: 2.042 shift:(-10,5)  bar:Sep at: 2229 fontsize:S text: 2.229 shift:(-10,5)  bar:Oct at: 2682 fontsize:S text: 2.682 shift:(-10,5)  bar:Nov at: 2669 fontsize:S text: 2.669 shift:(-10,5)  bar:Dec at: 2157 fontsize:S text: 2.157 shift:(-10,5)
Fauna === Reptiles ===A species of snake, ''Dipsas sanctijoannis'', is named after the San Juan River of Colombia, and is native to the watershed.=== Fish ===*''Andinoacara biseriatus'' - A Cichlid.
See also *List of rivers of Colombia*Pacific Region, Colombia
References
External links *  San Juan River delta on coastal.er.usgs.gov