The Loir is a river in western France, flowing through the regions of Pays de la Loire and Centre-Val de Loire. It is a tributary of the Loire River, which is one of the longest rivers in France. The Loir stretches approximately 150 kilometers and is known for its scenic landscapes and historical towns along its banks. The river passes through several communes, including Le Lude and La Flèche, and is popular for recreational activities such as fishing and kayaking. The Loir also plays a role in local agriculture, providing water for irrigation in the surrounding areas.