# Royal Observatory & Prime Meridian: Early Access + Guided Tour

> Stand on the Prime Meridian and learn the history behind Greenwich Mean Time

**Price:** from €81.10
**Location:** Blackheath Avenue, SE10 8XJ London, United Kingdom
**Categories:** 2-3 hours, Adults, Architecture admirers, City explorers, Entry ticket, First-time visitors, Guided Tour, Historical & Archaeological Sites, Historical Sites, History buffs, Morning, Museums, Science & Technology Museums

Founded in 1675, the Royal Observatory is Britain’s oldest scientific institution. Get a chance to see it before the crowds arrive.

You'll stand on the Prime Meridian and step into the birthplace of modern astronomy. Your knowledgeable guide will explain the history of Greenwich Mean Time (GMT) and the search for longitude. 

See the Octagon Room, designed by Sir Christopher Wren, and enjoy a tour that brings to life the stories of how the Prime Meridian was established in Greenwich.

## Good to know
- **Cancellation:** Free cancellation up to 24h before
- **Ticket:** Mobile ticket, printing optional
- **Guided tour:** English

## What's included
* Early access to Royal Observatory & Prime Meridian
* Private Prime Meridian access
* Guided tour
* English-speaking guide

## FAQ
**How much are tickets for Royal Observatory & Prime Meridian?**
Tickets for Royal Observatory & Prime Meridian start from €81.10 on closeticket.com.

**Is there a guided tour?**
Yes, a guided tour is available in English.

**Do I need to print my ticket?**
No, a mobile ticket on your phone is accepted here, and you can always bring a printed copy if you prefer.

**Can I cancel my tickets?**
Yes, free cancellation up to 24 hours before your visit.

**Where is Royal Observatory & Prime Meridian?**
Royal Observatory & Prime Meridian is located in London, United Kingdom.

[View on Close Discovery](https://closeticket.com/en/detail/royal-observatory-prime-meridian-early-access-guided-tour)

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