2014
NS3974 : Dumbarton Castle: remains of a circular structure
taken 11 years ago, near to Dumbarton, West Dunbartonshire, Scotland
This is 1 of 3 images, with title Dumbarton Castle: remains of a circular structure in this square

Dumbarton Castle: remains of a circular structure
The title relates to the low curving section of wall in the foreground. Behind it is a toposcope (NS3974 : Dumbarton Rock: White Tower Crag), and, behind that, a modern section of curving wall.
For more information, see NS3974 : Dumbarton Castle: remains of a circular structure, where the older circular ruin is shown from the other side, and discussed at length.
It is marked (as a circle) on large-scale OS mapping.
For more information, see NS3974 : Dumbarton Castle: remains of a circular structure, where the older circular ruin is shown from the other side, and discussed at length.
It is marked (as a circle) on large-scale OS mapping.
Remains of a circular structure
On the White Tower Crag, the western peak of Dumbarton Rock – Link – this structure now surrounds a toposcope (viewfinder plaque). The ruin is of uncertain origin; early writers claimed, on spurious authority, that it was once a Roman Pharos (lighthouse).
Dumbarton Rock and Castle :: NS4074
The Rock is a volcanic plug, and it has a long history as a fortified site. For further information, see the Geograph article "Dumbarton Rock and Castle": Link
