It replaced Assynt Castle which was four miles north-west of Inchnadamph.[1] Ardvreck is notable as the place where the royalist James Graham, 1st Marquess of Montrose was handed over in 1650 to the Covenanter forces by MacLeod, Laird of Assynt after the Battle of Carbisdale.One account is that MacLeod, loyal to the Covenanters, arrested the weary, fleeing, Montrose and held him.[2][3] Clan Mackenzie attacked and captured Ardvreck Castle in 1672,[1] and then took control of the Assynt lands.[5][6]The castle was a simple rectangular keep with a round staircase tower at the south-east angle.