The River Leine is a river located in northern Germany, primarily flowing through the state of Lower Saxony. It stretches approximately 250 kilometers and is a tributary of the Elbe River. The river is known for its scenic landscapes and is an important waterway for local agriculture and transportation. The Leine passes through several towns, including Hannover, where it plays a significant role in the city's ecology and recreation. The river supports various wildlife and offers opportunities for activities such as fishing, cycling, and walking along its banks, making it a popular destination for both locals and visitors.