That simple logic, cutting off a headland with a constructed barrier, is the defining feature of this class of monument, and it appears across the Irish coastline from the Bronze Age through to the early medieval period.

Promontory forts of this type are among the more atmospheric survivals in the Irish landscape, not because they are elaborate or monumental, but because their setting does so much of the work. The chosen headland provided the community or group that built it with a naturally fortified position, whether for defence, for storage, for the control of coastal approaches, or perhaps for purposes that remain genuinely unclear. Slievemore, as a place-name, suggests a substantial or notable hill, and a coastal fort positioned there would have commanded considerable views of the surrounding sea. Beyond that geographical inference, the documentary and archaeological detail for this particular site has not yet been made available in the public record, which places it in an unusual category: a classified monument whose specific history, dating, and condition remain largely inaccessible outside specialist archive consultation.