The Ilz River is a river located in southeastern Germany. It flows through the state of Bavaria and is approximately 60 kilometers long. The river is known for its picturesque landscapes and is a popular destination for outdoor activities such as hiking and cycling along its banks. The Ilz River originates near the town of Neuschönau in the Bavarian Forest and eventually merges with the Danube River near the city of Passau. The river is characterized by its clear waters and diverse ecosystems, making it an important habitat for various species of fish and wildlife.