The Inn River is a major river in Central Europe, flowing through Switzerland, Liechtenstein, Austria, and Germany. It originates in the Swiss Alps and travels approximately 517 kilometers before joining the Danube River near Passau, Germany. The river is known for its picturesque landscapes and is an important waterway for transportation and tourism. The Inn River is also significant for its ecological diversity, supporting various species of fish and wildlife. Its banks are lined with charming towns and cities, such as Innsbruck in Austria, which is famous for its winter sports and cultural heritage. The river plays a vital role in the region's economy and recreation.