Greenwich Observatory

Greenwich ObservatoryThe world-famous Greenwich Observatory (officially known as the Royal Observatory) is part of the National Maritime Museum, falling within the Greenwich Maritime UNESCO World Heritage Site, alongside the Old Royal Naval College, collectively forming one of the most popular London attractions. The Greenwich Observatory is famous for charting Greenwich Mean Time. There is free admission to the Royal Observatory making it one of London's many free attractions.  
Highlights of the Greenwich Observatory include the Peter Harrison Planetarium, where tourists can enjoy fascinating documentaries relating to time, the sun and outer space; the Weller Astronomy Galleries, which help explain the mysteries of the universe; the world-famous Greenwich Meridian Line – which provides a great opportunity for tourist photographs; and the iconic 19th century 28-inch Greenwich telescope.  

London tourists can also visit Flamsteed House which was the original 17th century Greenwich Observatory. Flamsteed House was designed by the world's most famous architect, Sir Christopher Wren.

Nearest Tube/Railway Station

Cutty Sark (Docklands Light Railway)   


London Borough of Greenwich



Opening Times

Seven days a week from 10:00am to 5:00pm 

Address / Contact Details

Royal Observatory, Blackheath Avenue, Greenwich, London SE10 8XJ
020 8858 4422  

Related Attractions

Greenwich Park
Cutty Sark
Science Museum, Kensington