Lochnaw Castle shows four periods of construction - a simple 16th century keep, 17th and 18th century domestic dwellings, and a mansion-house, which was later demolished. There is a plaque bearing the date 1486, on the SE wall of the keep. A chapel, built in 1704, was demolished c. 1953. An earlier, ruined castle stands on an island in the nearby Lochnaw Loch. A royal castle, this was given to the Agnews in 1363, but was sacked by Archiblad The Grim, 3rd Earl of Douglas in 1390, and subsequently dismantled. Refer