Dumbarton Castle

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Visit a stronghold that stood at the heart of an ancient kingdom covering the area now known as Strathclyde. Set high upon a volcanic rock in the Firth of Clyde, the castle was a royal refuge.

What to see and do

  • Climb the White Tower Crag for stunning views – sometimes as far as the peak of Ben Lomond
  • Take in the artillery fortifications to see fine examples of early 18th-century military architecture
  • Enter the Governor’s House, a fine Georgian residence and home to some interesting artefacts found at the castle
  • Take our fun fact-finding quiz 

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.

Opening times

1 Apr to 31 May:
Daily except Thur & Fri, 9.30am to 5pm (last entry 4.15pm).

1 June to 30 Sept:
Daily, 9.30am to 5pm (last entry 4.15pm).

1 Oct to 31 Mar:
Daily except Thur & Fri, 10am to 4pm (last entry 3pm).

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