Astronomy and science come to life as you discover the past, present and future at the Royal Observatory Greenwich. 

Your London Explorer Pass includes . . .

  • Skip the queue and access the attraction through the priority lane, only with a London Explorer pass
  • Access to the permanent exhibitions
  • Chance to find out more about space and time

See astronomy and science come to life at the Royal Observatory Greenwich. You’ll see where east meets west, discover how the seas and the stars were first mapped out by scientific pioneers, and explore the historic home of the first Astronomer Royal.

One of the most important historical scientific sites in the world, the Royal Observatory Greenwich offers an educational and entertaining visit back in time. There’s a host of things to see in this fascinating museum, learn how time was standardized, how the first telescope was made and how science and astronomy has changed through the ages. You’ll also get to explore iconic inventions such as the UK's largest refracting telescope and get hands-on with a 4.5 billion year-old asteroid.

And while you’re there, don’t forget to take in one of the best views in the city outside of the Observatory.

Royal Observatory Greenwich Highlights

Prime Meridian – Straddle the where the East and West hemispheres of the Earth meet at Longitude 0°.

Time and Longitude Gallery - learn about the iconic timekeepers that pioneered solving the problem of finding longitude at sea. Explore exhibits such as John Harrison's sea watch.

Flamsteed House – designed by Sir Christopher Wren, this striking red-brick building was designed as a home for the Astronomer Royal.

Did You Know

  • The Royal Observatory was founded in the 1670s by King Charles II to further develop better naval navigation systems.
  • Greenwich has been marked at 0° Longitude since 1884.
  • The Greenwich time ball, located on top of Flamsteed House was first used in 1833 for ships' captains to set their chronometers accurately before setting sail. The ball continues to drop at 13.00 everyday.

Using Your London Explorer Pass

Present your Explorer Pass at the admissions desks at the main entrance and skip the queue with priority access to the observatory.

How to Get There

London Underground:
DLR - Cutty Sark

National Rail Network:
Greenwich and Maze Hill Stations

The London Explorer Pass is the best choice for maximum savings and flexibility. Choose to use your Explorer Pass at the Royal Observatory Greenwich, then look to the list of other top attractions for your other Explorer Pass admission choices!



Monday 10.00 - 17.00
Tuesday 10.00 - 17.00
Wednesday 10.00 - 17.00
Thursday 10.00 - 17.00
Friday 10.00 - 17.00
Saturday 10.00 - 17.00
Sunday 10.00 - 17.00
Last Admission: 16.30


Please check our Closure & Notices page for changings in opening hours and closure dates.

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Blackheath Avenue Greenwich SE10 8XJ (accesso tramite percorso in salita)


020 8312 6608