Castle Sween
![](https://wpcluster.dctdigital.com/scotsmagazine/wp-content/uploads/sites/7/2020/08/shutterstock_1218573142_low_nwm.jpg)
Castle Sween at Loch Sween, Argyll, Scotland. Credit: Shutterstock
Thought to be one of the oldest castles on the Scottish mainland, architectural details show the historic building dates back to at least the 1100s. Sitting on a low ridge, you can take in the sights over Loch Sween and across to Jura.
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