Dumbarton Castle Aka Dùn Breatainn, has the longest recorded history of any stronghold in Scotland. It sits on a volcanic plug of basalt known as Dumbarton Rock & overlooks the town of Dumbarton on the river Clyde. Visit the royal refuge that stood at the heart of an ancient kingdom covering the area now known as Strathclyde. Climb the White Tower Crag for stunning views as far as the peak of Ben Lomond Take in the artillery fortifications to see fine examples of early 18th-century military arch

Dumbarton Castle 💙🏴󠁧󠁢󠁳󠁣󠁴󠁿💛 Dumbarton Castle commands a striking presence atop a volcanic rock overlooking the Firth of Clyde. With roots stretching back to the Iron Age, it was once the capital of the ancient kingdom of Strathclyde. In 870, Vikings laid siege to the castle, then known as Alt Clut, capturing it after a brutal four-month siege. Over centuries, it evolved into a formidable fortress, bolstered by Scottish kings like Alexander II and James IV. The castle played pivotal roles