Buchanan Castle is a ruined castle in Stirlingshire, Scotland, located 1 mile (1.6 km) west of the village of Drymen. The house was commissioned by the 4th Duke of Montrose and built in 1852–1858 as a home for the Montrose family, serving as such until 1925. It was built as a replacement for Buchanan Auld House, which is located 0.5 miles (0.80...
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