The first mention of Esslemont is as the 'manor of Eislemont' in the 14th century. The lands of Esslemont were passed by marriage from the family of Mareschal by marriage of the heiress Janet to Francis le Chen of Straloch in the 14th century. After the castle was burnt in 1493, Henry Cheyne undertook re-building via a king's licence dated 1500. In 1564 Patrick Cheyne was created baron of Esslemont by Queen Mary, who stayed here during her campaign against the Earl of Huntly, and a fortalice and tower were recorded in 1575–1576.
The castle was then destroyed as the result of a feud between the Cheynes and the Hays. The name of the lands, now as 'Essilmounthe', appears in Scottish records in 1609.
The castle ceased to be regularly occupied in 1625, when the estate passed to the Errol family. In 1728 it became the property of Robert Gordon and may have been partially occupied till 1769, when the existing mansion, Esslemont House, was erected in its vicinity.
The castle is roofless and missing large sections of wall which were reused in building sites nearby. Especially noticeable are the missing dressed stones of the windows. The structure is a L Plan castle with a staircase turret and a round tower at the south east angle. The main building seems on the ground floor to have contained the kitchen, with a wide fireplace in the north gable; the rugged edges of the ruined sides of the flue being visible high up in the gable. Though ruined, the remains are clearly on three stories. The Gordon Arms are visible on the exterior of the castle.
References:The Château de Foix dominates the town of Foix. An important tourist site, it is known as a centre of the Cathars. Built on an older 7th-century fortification, the castle is known from 987. In 1002, it was mentioned in the will of Roger I, Count of Carcassonne, who bequeathed the fortress to his youngest child, Bernard. In effect, the family ruling over the region were installed here which allowed them to control access to the upper Ariège valley and to keep surveillance from this strategic point over the lower land, protected behind impregnable walls.
In 1034, the castle became capital of the County of Foix and played a decisive role in medieval military history. During the two following centuries, the castle was home to Counts with shining personalities who became the soul of the Occitan resistance during the crusade against the Albigensians.