The River Thames is the longest river in England, stretching about 215 miles (346 kilometers). It flows through London and several other towns, providing a vital waterway for transport and trade. The river is known for its historical significance and scenic beauty, attracting millions of visitors each year. The Thames has played a crucial role in the development of London, serving as a major route for commerce since ancient times. It is home to various landmarks, including the Tower Bridge and the Houses of Parliament, making it an iconic feature of the city.