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).

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

A unique opportunity to find out about Museum...

Soak up the spectacle of the winning images...

Come to the Royal Observatory for an evening of...

This course is an excellent introduction to...

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.