Farme Castle was located in Rutherglen, to the south-west of Glasgow, Scotland. It stood 0.5 miles (0.80 km) east of Farme Cross where the A724 meets the A749 trunk road. The castle keep acted as one corner of a courtyard, formed by an extension in the form of a castellated mansion. High walls and subsidiary buildings completed the courtyard. There was an ornate arched gateway to the courtyard adjacent to the keep. The old keep was of three storeys and a garret, above a corbelled-out parapet with machicolations and water spouts.