• Royal Observatory Greenwich - Established in 1675, the Royal Observatory stands as Britain’s oldest dedicated scientific establishment. Renowned globally as the origin of modern astronomy and the location of the Prime Meridian of the World, it offers guided tours that provide an intimate view of its remarkable collection. Highlights include the pioneering Harrison Clock collection and one of the world’s largest telescopes.

• 45-minute guided tour led by expert guide
• Skip the line
• Entrance fees
• Exclusive early access to the Prime Meridian of the World without the crowds

• Pick up / Drop off
• Catering

Beat the crowds and experience an exclusive guided tour of one of Britain’s most renowned historic sites: the Royal Observatory Greenwich. An expert guide will vividly recount the history of this captivating location, including tales of how the Prime Meridian was established in Greenwich, the quest for longitude, and the development of Greenwich Mean Time (GMT).

The Royal Observatory is the oldest purpose-built scientific institution in Britain, globally recognized as the home of the Prime Meridian of the World. Our guided tours offer an up-close look at must-see items in our collection, such as the pioneering Harrison Clocks and one of the world’s largest telescopes.

Following your tour, enjoy one of London’s most stunning views with a foot in each hemisphere as you stand on the Prime Meridian of the World! Your entry ticket remains valid for the entire day, allowing you to continue exploring once the site opens to the public.

• Due to the historic nature of the site, there is no step-free access to some parts of the building.

For a full refund, cancel at least 24 hours before the scheduled departure time.