Plan your visit
Due to access restrictions in place as a precautionary measure while we undertake high level masonry inspections, there is currently no visitor access to this site. Find out more about our conservation work. The castle is due to reopen soon, and we will update as soon as we have confirmation.
Discover more things to do in Dumbarton
Founded in the fifth century, Dumbarton was once the capital of the ancient Kingdom of Strathclyde. In the 19th century, the town became a centre for shipbuilding, glassmaking, and whisky production. Find out more with Visit Scotland’s Dumbarton Guide.
Dumbarton was once a centre of innovation in shipbuilding. The Denny Ship Model Experiment Tank invites visitors discover the pioneering experiments and techniques developed by William Denny and his brother in Dumbarton, which made waves in the shipbuilding industry from the 1800s to 1963.