South Ronaldsay, Windwick, Cairns O' the Bu

Scotland's National Record of the Historic Environment records South Ronaldsay, Windwick, Cairns O' the Bu as Broch (iron Age), Midden(s) (period Unassigned), Pit (period Unassigned), Quarry (period Unknown), Roundhouse (prehistoric), Settlement (iron Age), Man-made underground passage (prehistoric)(possible), Structure(s) (period Unassigned), Animal Remains(s) (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.

A Bronze Age roundhouse and Iron Age broch; the site reflects long-term occupation and activity on South Ronaldsay.