Visitor information

View mapRoyal Observatory
Blackheath Avenue
Greenwich, SE10 8XJ

The Royal Observatory is about 25 mins walk from Greenwich Station, at the top of a steep hill. 
How to get here | Floor plans

Entrance to the Astronomy Centre is FREEEntrance charges apply to Flamsteed House and the Meridian CourtyardSave with a Big Ticket, giving single entry within 30 days to the Royal Observatory, Cutty Sark and the Ships, Clocks & Stars exhibition at the National Maritime Museum.

Opening hours: 10.00–17.00 daily, last admission 16.30. Summer late opening: until 31 August, Flamsteed House and the Meridian Courtyard, including the Longitude Punk'd exhibition will stay open daily until 18.00 (last admission 17.30); see details of summer late opening across Royal Museums Greenwich.
Times and admission | Latest visitor information 
Planetarium show times

Harrison's timekeepers See all five of Harrison's timekeepers together in Ships, Clocks & Stars: The Quest for Longitude – now open at the National Maritime Museum.

What's on

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Buy tickets

Current exhibition: Longitude Punk'd – now open

Book online now: £8.50 combined ticket includes entry to both Ships, Clocks & Stars and Longitude Punk'd exhibitions

Free entry for MembersExplore this exclusive exhibition of eccentric inventions inspired by the 18th-century quest for longitude, specially created by steampunk luminaries including award-winning novelist Robert Rankin – exuberantly blurring the boundaries between art and science, fact and fiction. Find out more

Part of the Longitude Season 2014–15

Join the conversation #WhereonEarth

About the Royal Observatory

Stand astride two hemispheres at the home of Greenwich Mean Time and the world's Prime Meridian. Travel the universe in London's only planetarium and touch a 4.5 billion year-old asteroid.