The Sayn River is a small river located in the Rhineland-Palatinate region of Germany. It flows for approximately 30 kilometers and is a tributary of the Rhine River. The river is known for its scenic beauty, surrounded by lush forests and picturesque landscapes. The Sayn River originates near the town of Bendorf and eventually joins the Rhine near Koblenz. It plays a role in local ecology and provides recreational opportunities for residents and visitors, such as hiking and fishing along its banks. The river is also significant for its historical and cultural context in the region.