in that case could it be at the bottom of the abbey slip or just a little bit passed there and there are some seats /seating area and you can view the ross the bridge from here.
Only joking, Sparky! This is not a mystery pic to go looking for at high tide. It is on the wall near the bottom of the slip from which the Mermaid often departs on its trips. Please accept three points and promise to look out for it!!