The Elster River is a significant waterway in central Germany, flowing through the states of Saxony and Saxony-Anhalt. It is approximately 100 kilometers long and is a tributary of the Saale River. The river's course is characterized by a mix of natural landscapes and urban areas, providing essential water resources for the surrounding communities. The Elster River is known for its scenic beauty and recreational opportunities, including fishing and boating. It also plays a vital role in local ecosystems, supporting various plant and animal species. The river's banks are often lined with walking and cycling paths, making it a popular destination for outdoor enthusiasts.