Ardvreck Castle built
1590 CE.
Shown on the map at 58.167°, -4.996°.
Ardvreck Castle is a castle, now ruinous, standing on a rocky promontory in Loch Assynt, Sutherland, Scotland, UK. The structure dates from about 1490 and is associated with the then landowners, the Macleods of Assynt.
Text from the Wikipedia article Ardvreck Castle, licensed CC BY-SA 4.0.