Castle gate?
Introduction
The photograph on this page of Castle gate? by Stephen Sweeney as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Stephen Sweeney Taken: 19 Jun 2008
Glasgow's Royal Infirmary was built on the site of Glasgow Castle, which was left in ruins after the Protestant Reformation in the 16th Century. The ruins themselves were then demolished in 1791 to make way for the hospital, but was this gate perhaps left intact as a shrine to the lost history of the Bishop's Castle? It certainly looks rather fancy and fortified for a hospital gate....
