The Yonne River is a significant waterway in central France, flowing through the regions of Bourgogne-Franche-Comté and Île-de-France. It stretches approximately 292 kilometers (181 miles) and is a tributary of the Seine River. The river is known for its picturesque landscapes and historical towns along its banks, including Auxerre and Joigny. The Yonne River plays an important role in local agriculture and tourism. It supports various recreational activities such as fishing, boating, and hiking along its scenic routes. The river also contributes to the region's biodiversity, providing habitats for numerous plant and animal species.