The Prime Meridian marks 0° longitude and is the best-known reason to visit the Observatory. Stand across the line between the Eastern and Western Hemispheres, take photographs and learn how Greenwich became a global reference point for mapping and timekeeping. Access is subject to the Observatory’s opening arrangements.
Compare your ticket options
| Ticket type | Includes | Guide | Why pick this | Cancellation policy | Price from |
|---|---|---|---|---|---|
| Royal Observatory Greenwich & Prime Meridian Entry Tickets | Observatory admission, Prime Meridian Line and downloadable multilingual audio guide, including BSL | Audio guide; guided or early-access options may be available on selected variants | • Focus on the Observatory’s main highlights • Choose a guided or early-access variant if available | Non-cancellable and non-reschedulable | from £24 |
| Royal Museums Greenwich Day Pass | Royal Observatory, Cutty Sark, National Maritime Museum and Queen’s House, with audio guides where provided | Audio guides | • See several Greenwich attractions • Best for a multi-site day out | Full refund if cancelled at least 24 hours before the experience start time | from £38 |
| Combo: Cutty Sark & Royal Observatory Greenwich | Admission to the Cutty Sark and Observatory, with downloadable multilingual audio guides, including BSL | Audio guides | • Visit two maritime landmarks • Keep both admissions in one booking | Non-cancellable and non-reschedulable | from £44.62 |
| Combo: Royal Observatory Greenwich + Thames River Cruise | Observatory admission, audio guide and one-way sightseeing cruise with commentary | Observatory audio guide; cruise commentary | • Combine Greenwich history with river views • Choose from selected piers | Non-cancellable and non-reschedulable | from £35.62 |
| Combo: Royal Observatory Greenwich & Tower of London | Observatory admission and Tower of London entry, including the Crown Jewels and selected historic areas | Observatory audio guide; check the Tower tour format for the selected ticket | • Combine astronomy and royal history • See two major London landmarks | Non-cancellable and non-reschedulable | from £60.14 |
| Cutty Sark Entrance Tickets | Entry to the historic ship and audio tour, including BSL | Audio tour | • Explore the ship without Observatory admission • Consider it while the Observatory is closed | Non-cancellable and non-reschedulable | from £22 |
| Combo: Royal Observatory Greenwich & London Eye | Observatory admission, audio guide and a 30-minute London Eye rotation | Observatory audio guide | • Combine Greenwich history with skyline views • Add a second London attraction | Non-cancellable and non-reschedulable | from £50.35 |















































