The River Garonne is a significant river in southwestern France, flowing approximately 575 kilometers. It originates in the Pyrenees mountains and travels northward, eventually merging with the River Dordogne to form the Gironde Estuary, which leads to the Atlantic Ocean. The river passes through several cities, including Toulouse and Bordeaux, and is known for its picturesque landscapes. The Garonne plays a vital role in the region's economy, supporting agriculture and transportation. Its waters are also used for irrigation and hydroelectric power generation. The river is an important ecological habitat, home to various species of fish and wildlife.