North Uist, Callernish, Sithean Mor

Scotland's National Record of the Historic Environment records North Uist, Callernish, Sithean Mor as Cairn (period Unassigned)(possible), Midden(s) (period Unassigned), Mound (period Unassigned), Man-made underground passage (prehistoric)(possible), Unidentified Pottery (period Unassigned). 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.

Neolithic cairn and ritual site, dating to approximately 2500–2000 BCE. It is significant as part of the Callanish complex, a group of megalithic monuments comparable in importance to Stonehenge.