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Anyone travelling the A837 north from Inchnadamph over the years will have been intrigued by two ruins at the east end of Loch Assynt. The shell of Calda House stands close to the road, while the remains of Ardvreck Castle lie a little to the west, on a promontory projecting into the loch.
The relatively recent construction of a parking area with some excellent information boards between the two gives good access to Ardvreck Castle along a much improved path. A visit to Calda House requires a short walk alongside the road: but intending visitors should be aware that this remains a dangerous structure which can only be viewed from beyond the range of falling masonry. And Ardvreck Castle is only a fragment of its former glory.
But the walk to it is enjoyable, and the views from the near island on which it stands are utterly beautiful, taking in some of the best mountain landscapes in central Sutherland.
Today the castle comprises a finger of stone, pointing accusingly at the sky. Just enough remains to identify it as once having been a three storey tower house of traditional design, including a corbelled section that once housed the main staircase and part of a vaulted basement level. Across the narrow neck of the promontory is a dry stone wall that marks the line of an old defensive wall: traces of the original defensive ditch here can still be seen.
The castle dates back to about 1490 when the lands were owned by the Macleods of Assynt. Its only place in history is an especially inglorious one. On 25 April 1650, the Marquis of Montrose, fighting for the Royalist cause even after the execution of Charles I (see our Historical Timeline) lost the battle of Carbisdale to a much smaller Covenanter army. His flight brought him, two days later, to Ardvreck Castle, where he sought sanctuary with Neil Macleod of Assynt.
Neil was away, and his wife, Christine, tricked Montrose into the castle dungeon and sent for troops of the Covenanter Government. Montrose was taken to Edinburgh, where he was executed on 21 May 1650. This stands as a remarkable betrayal of Highland hospitality.
Ardvreck Castle was attacked and captured by the Mackenzies in 1672. In 1726 they replaced it with the more modern Calda House (apparently recycling some of the stone from Ardvreck when they did so).
This burned down in 1737 and before the Mackenzies were able to rebuild the house, their estates had been seized by the Crown for their support of the losing side in the 1745 uprising. It has remained a ruin ever since.