The Lippe River is a river in western Germany, flowing through the state of North Rhine-Westphalia. It is approximately 220 kilometers long and serves as a tributary to the Rhine River. The river's source is near the town of Bad Lippspringe, and it eventually joins the Rhine near Duisburg. The Lippe River is known for its scenic landscapes and recreational opportunities, including cycling and hiking along its banks. It also plays a role in local ecology, supporting various wildlife species. The river has historical significance, having been an important trade route in the region for centuries.