The Río Magdalena is the principal river in Colombia, stretching approximately 1,540 kilometers. It flows northward from the Andes mountains to the Caribbean Sea, serving as a vital waterway for transportation and commerce. The river basin supports diverse ecosystems and is crucial for agriculture in the surrounding regions. Historically, the Río Magdalena has played a significant role in the development of Colombia. It has been a key route for trade and cultural exchange since pre-Columbian times. Major cities like Barranquilla and Magangué are located along its banks, highlighting its importance to the country's economy and infrastructure.