The Spree River is a significant waterway in northeastern Germany, flowing through the capital city, Berlin. It stretches approximately 400 kilometers (about 250 miles) and is a tributary of the Havel River. The river has played an essential role in the region's history, serving as a trade route and a source of water for various industries. The Spree River is known for its picturesque landscapes and cultural landmarks. It passes through several parks and recreational areas, making it a popular spot for locals and tourists alike. Along its banks, visitors can find historical sites, museums, and vibrant neighborhoods, showcasing the rich heritage of Berlin.