
The Portcullis Arch provides access from the lower part of Dumbarton Castle. It probably dates from the 14th century.
The castle is built next to the Clyde.

The Portcullis Arch provides access from the lower part of Dumbarton Castle. It probably dates from the 14th century.
The castle is built next to the Clyde.
Photographed it from below but never had the time to ascend the rock for a proper explore