What is the UK’s most famous river in London?

The most famous river in London is the River Thames. The Thames is central to London’s development, historically serving as a major trade route and lifeline for the city. It flows through the heart of London and is lined with iconic landmarks such as the Houses of Parliament, the London Eye, and Tower Bridge. The river is also known for its cultural and historical significance, having witnessed key events in British history. Today, the Thames is used for tourism, transport, and leisure, offering boat tours that give visitors a unique view of the city.