The Magdalena River is the principal river of Colombia, flowing northwards through the country's central mountain range. It is crucial for transportation, agriculture, and historically, as a major waterway.

A major river in South America, the Orinoco River flows through Venezuela and Colombia. It forms a significant part of the river systems influencing Colombia's eastern and northeastern regions.

One of the largest rivers in the world, the Amazon River flows through parts of Colombia, primarily in its southern regions. Its presence contributes to the vast biodiversity and complex ecosystems of the Amazon basin.