The Mayenne River is a river located in the northwest of France. It flows for approximately 202 kilometers, starting in the region of Mayenne and eventually joining the Sarthe River to form the Loire River. The river is known for its scenic beauty and is a popular destination for outdoor activities such as fishing and boating. The Mayenne River passes through several towns, including Laval, which is the capital of the Mayenne department. The river's banks are lined with lush greenery, making it a picturesque spot for visitors. It also plays a significant role in the local ecosystem and economy, supporting agriculture and tourism in the region.