https://www.historicenvironment.scot/visit-a-place/places/dumbarton-castle/
Read brief details of the history of Dumbarton Castle, a stronghold that stood at the heart of an ancient kingdom covering the area now known as Strathclyde....
dumbarton castlepublic bodyhistoric environmentscotland
https://www.ancient-origins.net/ancient-places-europe/dumbarton-castle-0014089
Situated on a picturesque volcanic rock in western Scotland, Dumbarton Castle has witnessed events that helped forge the modern Scottish nation.
dumbarton castleancientstrongholdsymbolscottish