The Sèvre Niortaise is a river located in western France, primarily flowing through the regions of Nouvelle-Aquitaine and Poitou-Charentes. It stretches approximately 150 kilometers and is known for its scenic landscapes, including marshes and wetlands. The river is a tributary of the Sèvre Nantaise, which eventually leads to the Loire River. The Sèvre Niortaise plays a significant role in the local ecosystem and economy. It supports various wildlife and is a popular destination for outdoor activities such as fishing and boating. The river also contributes to agriculture in the surrounding areas, providing irrigation for crops.