Orinoco

The Orinoco is one of the longest rivers in South America at 2,250 kilometres. Its drainage basin, sometimes known as the Orinoquia, covers 989,000 km2, with 76.3 percent of it in Venezuela and the remainder in Colombia. It is the fourth largest river in the world by discharge volume of water. The Orinoco River and its tributaries are the major transportation system for eastern and interior Venezuela and the Llanos of Colombia. The environment and wildlife in the Orinoco's basin are extremely diverse.