Loudoun Castle is a ruined 19th-century country house near Galston, in the Loudoun area of Ayrshire, Scotland. The ruins are protected as a category A listed building.
Loudoun Castle is the former home of the Mure-Campbell family. Upon the marriage by Flora Mure-Campbell, 6th Countess of Loudoun, to Francis Rawdon-Hastings, 2nd Earl of Moira, on 12 July 1804, it became the home of the Rawdon-Hastings family. While Loudoun was in the ownership of Edith Rawdon-Hastings, the ownership named encountered a change once more by the death of Sir Charles Abney-Hastings, 2nd Bt.
Address (Unnamed Road), KA4 8, United Kingdom
Coordinates 55°36'37.886" N -4°22'21.576" E