Maiden Castle is a large 12th century circular flat topped motte, founded by Merleswain, son of Colbain. Standing on a natural ridge, the knoll is crowned with traces of undated masonry and a shallow central depression. The west and south slopes of have indications of slight terracing and to the south-east, is the probable approach where the ridge is reduced and defended by three ditches. Described as once being surrounded by seven ramparts and ditches, the site is traditionally associated with Macduff, Thane of Fife. 3 miles south is MacDuff's Castle and 3 miles north-east is Aithernie Castle.