Cairnbulg Castle is a z-plan castle situated in Cairnbulg, Aberdeenshire, Scotland. Originally known as Philorth Castle it was built in the early 14th century, destroyed in winter of 1308-1309 in the Wars of Independence, and re-built by the Fraser family in 1380. Subsequently, a courtyard and outbuildings were added to the main tower. It is now open to the public by appointment only. Lady Saltoun and Captain Alexander Ramsay of Mar, who was one of Queen Victoria's great grandchildren, lived there for a while but nowadays Katherine Nicholson eldest daughter to Lady Saltoun lives there with her husband Mark and three children Louise, Juliet and Alexander. Lady Saltouns children lived at Cairnbulg while children themselves. Her children were Katharine, Alice and Elizabeth. Alice married David Ramsey and they had four children Alexander, Victoria, George and Oliver Ramsey.