What is recorded here

Gairsay, Sweyn's Castle is a prehistoric burnt mound on the Orkney Islands, where ancient people likely heated stones and drowned them in water to produce steam for cooking or cleaning. The site still holds the charred marker of that repeated labour, suggesting a busy domestic rhythm rather than a grand ceremonial act.

Scotland's National Record of the Historic Environment records Gairsay, Sweyn's Castle as Burnt Mound (prehistoric). The official map says its point is accurate as follows: NGR given to the nearest 10m. The record does not by itself mean that the public may enter the place.

The historic-place record does not grant public access. Check current conditions and ownership before entering land or a building.