Dumbarton was the centre of the ancient kingdom of Strathclyde from the 5th century until 1018. Impressively situated on a volcanic rock overlooking the Firth of Clyde, it was an important royal refuge. New children’s trail available on site. • In Dumbarton off the A82 • Open all year. Winter: closed Thursday and Friday • Last ticket sold 45 minutes before closing • Admission: Adult £4.20 Child £2.10 Concessions £3.20 • VisitScotland grading ★★★★