walk with me
London audio walk
Greenwich: Splitting the Earth and Taming Time
Explore the historic hilltop where British astronomy and global navigation converged. This walk guides you through the fierce intellectual battles to map the night sky, the engineering genius of John Harrison's marine chronometers, and the physical line that splits the hemispheres.
Free walk · a full Tuuri tour, on the house
Coming soon to theApp Store
Walk at your pacetuuri
The route
Stop by stop
The stories themselves stay in your headphones.
- Royal Observatory Greenwich: The Meridian Line
- Flamsteed House: The Octagon Room
- The Greenwich Time Ball
- The Harrison Clocks Gallery
Before you walk
Good to know
- How long is Greenwich: Splitting the Earth and Taming Time?
- About 25 minutes of listening over roughly 0.2 km on foot, at your own pace — pause, linger, or split it across a day.
- Where does the walk start?
- The first stop is Royal Observatory Greenwich: The Meridian Line in London. The Tuuri app guides you there and plays each of the 4 stops as you arrive.
- Do I need an internet connection?
- No — download the tour in the Tuuri app and it plays fully offline, with the map, narration and music.
- Is it mine to keep?
- Yes. A Tuuri tour is a one-time purchase, yours forever — no subscription, and you can share it with up to four family members.