Brough is a small village (population 66) in Caithness in the North of Scotland. It is located on the B855 single-track road, the most northerly numbered road on the mainland of Great Britain, and is a few miles to the south east of Dunnet Head, the most northerly point on the British mainland, and a mile or so north of the village of Dunnet. Brough is the site of Brough Castle, a 12th Century Norse fortress; the ruins are on the property now known as Heathcliff.