Garden & Outbuildings: Geilston has a fine fruit-and-vegetable garden, a walled garden, glass greenhouses, and a burn that winds through the wooded glen.
House Listed: Category B
Park Listed: Not Listed
Past Seat / Home of: Buchanan family. Tullichewan family. Donald family, until 1805. General Thomas Geils, 19th century. Hendry family, 20th century.
Current Ownership Type: The National Trust for Scotland
Primary Current Ownership Use: Visitor Attraction
House Open to Public: Grounds Only
Historic Houses Member: No