The Alster River is a prominent waterway located in northern Germany, flowing through the city of Hamburg. It originates from the confluence of the Alster Lakes and eventually merges with the Elbe River. The river is approximately 56 kilometers long and is known for its scenic beauty, making it a popular spot for recreational activities such as boating and cycling. The Alster River is also significant for its role in the city's history and development. It has been an important trade route and a source of water for the surrounding areas. The river is lined with parks and walking paths, providing residents and visitors with picturesque views and a peaceful environment.