The Adour River is a significant waterway located in southwestern France. It flows approximately 324 kilometers (201 miles) from the Pyrenees mountains to the Atlantic Ocean, near the city of Bayonne. The river passes through several towns, including Dax and Mont-de-Marsan, and is known for its picturesque landscapes and diverse ecosystems. The Adour River plays an essential role in the region's agriculture and economy. It provides irrigation for local farms and supports various recreational activities, such as fishing and boating. The river's basin is also home to unique wildlife, making it an important area for conservation efforts.