The clock, the tower, and the café built around them
Obscura Café is a young building — opened in 2000 — but the clock at the top of it is a hundred years old, and the plot it stands on has been the pivot point of Bournemouth town centre for even longer.
Why The Square was built
Long before Bournemouth existed as a resort, the site of The Square was simply a crossing point: in the early 19th century a plank bridge carried the Poole–to–Christchurch track over the Bourne Stream, close to where Decoy Pond House once stood. The stream still runs beneath The Square today.
As Bournemouth grew into a Victorian and Edwardian seaside resort, this crossing point became its natural centre — the place where the routes down to the seafront and the Gardens met the town's main shopping streets. For much of the 20th century The Square was, despite its name, a circular traffic roundabout at the heart of the town.
The 1925 clock
In 1925, a tram shelter was built at the centre of The Square, topped with a clock donated by Captain H. B. Norton, a local magistrate and former councillor. As traffic patterns changed, the shelter gave way to a dedicated clock tower at the centre of the roundabout — a structure that leaned just enough over the years to earn itself the affectionate local nickname the "Leaning Tower of Bournemouth."
Pedestrianisation and the new café
The roundabout was removed in October 1992, and by 2000 The Square had been almost entirely pedestrianised. That same year, local operator Grant Rayner built the Obscura Café on the site — a circular, two-storey pavilion angled to face south into the sun, costing around £250,000 to construct. The original 1925 clock was relocated once more, this time to the top of the new café, where it remains today.
The camera obscura & viewing gallery
The café takes its name from the optical instrument installed in its tower: a camera obscura, a "dark chamber" that uses a lens and mirror to project a live, moving image of the world outside onto a viewing surface inside — the same principle, centuries old, that eventually led to the invention of photography. On its opening, the camera obscura was described by the town centre manager of the day as "a feather in Bournemouth's cap."
The instrument sits with the café's first-floor viewing gallery, which also gives customers panoramic views over The Square and down across the Central and Lower Gardens — one of the best vantage points in the town centre, and the reason the first floor has remained a favourite spot for a slow coffee. In recent years, mature trees and surrounding buildings have limited how much the camera obscura itself can show, but the instrument remains in place.
A stage as well as a café
Its circular form and central position have also made the building a natural gathering point: it has served as the regional audition venue for televised talent shows including The X Factor and Britain's Got Talent, and its terrace has long hosted live music, including a regular Sunday Open Mic night.
How a camera obscura works
A camera obscura ("dark chamber" in Latin) is one of the oldest optical devices known — a darkened space with a small aperture or lens that projects a real-time, inverted image of the outside world onto a surface inside. It's the same principle that eventually gave us the photographic camera, and versions of it can be found in towers and observatories around the world, from Edinburgh's Outlook Tower to Greenwich's Royal Observatory. Bournemouth's own example sits inside the clock tower above the café, feeding its image down to the first-floor viewing gallery.
Elsewhere in the UK
Bournemouth's camera obscura is part of a small British tradition — others can be found at Edinburgh Castle Hill, the Royal Observatory Greenwich, Dumfries Museum, and The Photographers' Gallery in London.