Perched atop a hill in Greenwich Park, the Royal Observatory Greenwich is a must-visit for history buffs, astronomy lovers, and anyone curious about the universe. As the home of the Prime Meridian (0° longitude), this iconic site has played a major role in shaping the way we measure time and navigate the world.
Whether you’re planning your visit, looking for ticket tips, or wondering what else to explore nearby, this guide covers everything you need to know to make the most of your trip to the Greenwich Observatory.
🔭 A Brief History of the Royal Observatory Greenwich
The Royal Observatory Greenwich was founded in 1675 by King Charles II, with the goal of improving maritime navigation through the study of astronomy. The first Royal Astronomer, John Flamsteed, carried out critical research from this very site, helping sailors navigate the seas with greater accuracy.
🌍 Why is Greenwich famous?
✅ It is the location of the Prime Meridian (0° longitude), which divides the Eastern and Western Hemispheres.
✅ The observatory helped define Greenwich Mean Time (GMT), the basis for global timekeeping.
✅ It houses historic telescopes and timepieces that revolutionized navigation and astronomy.
Today, the observatory is a fascinating museum where visitors can explore centuries of scientific discovery while enjoying stunning panoramic views over London.
🎟️ Tickets, Opening Hours & Money-Saving Tips
A visit to Greenwich Observatory gives you access to interactive exhibits, historic telescopes, and the famous Prime Meridian line. Plus, the breathtaking views from Greenwich Park make it worth the climb!
💰 Ticket Prices:
🎫 Adults: £24
🎫 Youth/Student (16-24 years): £18
🎫 Child (4-16 years): £12
🎫 Under 4s: Free
Get your ticket here or via the options below:
🕒 Opening Hours:
📅 Open daily from 10:00 AM – 5:00 PM
⏳ Last admission: 4:30 PM
💡 How to Save Money on Tickets:
✅ This visit is included with The London Pass and Go City Pass, if you are planning on visiting multiple attractions across London you might want to take a look here.
🌍 Top Things to See at the Royal Observatory Greenwich
A visit to the observatory is a journey through time and space! Here’s what you can’t miss:
📍 Stand on the Prime Meridian
Straddle the Eastern and Western Hemispheres at the famous 0° longitude line! This is the spot that sets Greenwich Mean Time (GMT), shaping time zones worldwide.
🔭 The Great Equatorial Telescope
One of the largest telescopes of the 19th century, this powerful instrument was once at the forefront of astronomical discoveries.
🏛 The Octagon Room
Designed by the legendary Sir Christopher Wren, this historic room was used for some of the first astronomical observations.
🌌 Peter Harrison Planetarium
Enjoy an immersive journey through the universe with captivating space shows projected inside this state-of-the-art planetarium.
⏳ John Harrison’s Marine Clocks
These revolutionary timepieces changed maritime navigation forever, solving the centuries-old problem of calculating longitude at sea.
📍 How to Get to the Royal Observatory Greenwich
Located inside Greenwich Park, the observatory is easily accessible by public transport or even by boat!
🚇 By Tube & DLR:
✅ Cutty Sark (DLR) – 10-minute walk
✅ Greenwich Station (DLR & National Rail) – 15-minute walk
🚆 By Train:
✅ From London Bridge, take a train to Greenwich Station (8-minute ride).
🛥️ By Riverboat:
✅ Catch a Thames Clippers boat from Westminster or Tower Bridge to Greenwich Pier.
🚌 By Bus:
✅ Bus routes 129, 177, 180, 188, 199, and 386 all stop nearby.
🌆 Things to Do Near the Royal Observatory Greenwich
⛵ Cutty Sark – Step Aboard a Legendary Ship
One of the world’s most famous tea clippers, Cutty Sark is now a museum where you can walk the decks of this historic vessel.
🎟️ Entry: £23.50 per adult | 5-minute walk from the observatory
⚓ National Maritime Museum – Dive Into Britain’s Naval History
Discover centuries of maritime adventures, from historic battles to legendary explorers. Best of all, entry is free!
🎟️ Free Entry | Located next to Greenwich Park
👑 Queen’s House – A Hidden Gem of Art & Architecture
This stunning 17th-century palace is famous for its spiral Tulip Stairs and elegant design. It also houses incredible art collections.
🎟️ Free Entry | 3-minute walk from the National Maritime Museum
🥖 Greenwich Market – A Foodie’s Paradise
If you’re feeling hungry, head to Greenwich Market, where you’ll find amazing street food, artisan stalls, and handcrafted souvenirs.
✅ Open daily | 6-minute walk from the observatory
🌳 Greenwich Park – A Scenic Escape
Before you leave, take a leisurely stroll through Greenwich Park. It’s one of London’s most beautiful green spaces, offering breathtaking views over the Thames and Canary Wharf.
✅ Top Photo Spot: Visit the Ranger’s House, a filming location for Bridgerton!
🌟 Is the Royal Greenwich Observatory Worth Visiting?
Absolutely! Whether you’re fascinated by astronomy, history, or just want to soak up incredible views, the Greenwich Observatory is a must-see in London.
💡 Planning a London itinerary? Don’t forget to check out my guides on London most iconic Landmarks
