Vichada River

The Vichada River (Spanish: Río Vichada, Spanish pronunciation: [ˈri.o βiˈ tʃaða]) is a blackwater river in Colombia, South America. It flows into the Orinoco River.

Vichada River
Location
CountryColombia
Physical characteristics
Length580 km (360 mi)
Basin size26,212 km2 (10,121 sq mi)
Discharge 
  locationConfluence of Orinoco, Columbia
  average1,290 m3/s (46,000 cu ft/s)

The eastward course of the Vichada is offset by an impact structure, called the Vichada Structure. The structure is most likely the largest impact structure in South America.