The River Weser is a major river in northwestern Germany, flowing approximately 452 kilometers (280 miles) from its source in the Teutoburg Forest to the North Sea. It is the longest river in Germany that flows entirely within the country. The river passes through several cities, including Bremen and Minden, and serves as an important waterway for transportation and trade. The Weser is known for its picturesque landscapes, with scenic views along its banks. It is also a popular destination for recreational activities such as boating and fishing. The river's basin supports diverse ecosystems, making it significant for both nature and local economies.