The Magdalena River is the longest river in Colombia, stretching approximately 1,540 kilometers (960 miles). It flows northward from the Andes mountains to the Caribbean Sea, serving as a vital waterway for transportation and trade. The river's basin is rich in biodiversity and supports various ecosystems. Historically, the Magdalena River has played a significant role in the development of Colombia. It has been a crucial route for the movement of goods and people since pre-Columbian times. Today, it continues to be important for agriculture, fishing, and tourism, contributing to the local economy.