The River Thames is the longest river in England, stretching about 215 miles (346 kilometers). It flows through the heart of London, where it is a vital waterway for transport and recreation. The river has played a significant role in the history and development of the city, serving as a trade route since ancient times. The Thames passes through several towns and cities, including Oxford and Windsor, before emptying into the North Sea. It is home to various wildlife and is known for its picturesque views, with landmarks like the Tower Bridge and the Houses of Parliament lining its banks.