Royal Observatory Greenwich

The Royal Observatory is home to the world-famous Meridian Line and Greenwich Mean Time (GMT). Established in the 17th century by Charles II, it is today a must-see for any visit to London. Read More
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Stand on the world-famous Meridian Line with one foot in the west and one foot in the east. Discover the past, present and future wonders of astronomy at the centre of time.

With your complimentary audio guide, learn about the discoveries of great scientists and inventors based at or associated with the Royal Observatory. Explore how great scientists first mapped the seas and the stars in Charles II’s magnificent Christopher Wren-designed Octagon Room – dating from 1675. Marvel at the Great Equatorial Telescope, the UK’s largest historic telescope which gave astronomers new views of the universe over 100 years ago.

From the Royal Observatory, you will enjoy one of the most loved views of London across Greenwich Royal Park and the river Thames.

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Prices and Opening Times

Child Ticket £6.50 per ticket
Adult Ticket £15.00 per ticket

Admission to the Royal Observatory includes an audio guide.

This content has been supplied by Royal Observatory Greenwich

Opening Times

10.00 – 17.00. Last admission 30 minutes before closing. During Easter, June, July, August and September, all the attractions extend their opening hours and close at 18.00. Always check before you plan your visit. All attractions are closed 24–26 December.

Venue Details & Map

Royal Observatory Greenwich

Greenwich Park
SE10 9NF
+44 (0)20 8312 6565
Public transport:
DLR – Cutty Sark for Maritime Greenwich* By boat – from most central London piers* Bus 53 from Oxford Circus stops at park gates. * 15-minute walk through park to Observatory.

Facilities & Accessibility


For comprehensive independently assessed accessible information for Royal Observatory Greenwich, please see the DisabledGo website

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