The early medieval ringfort of Garranes, excavated in the late 1930s by Seán P. Ó Ríordáin, produced remarkable evidence of metalworking, including moulds and crucibles suggesting high-status craftwork of the fifth and sixth centuries. That site drew considerable attention to the area. Somewhere within the same townland, a further structure has been recorded and assigned its own monument entry, though the details of what it is, and what it looks like today, remain officially undescribed in the public record.

The Garranes ringfort itself, sometimes associated with the historical territory of the Uí Echach Muman, gave up finds that pointed toward a workshop producing fine metalwork, possibly for a local dynastic centre. A ringfort, in broad terms, is a roughly circular enclosure defined by earthen banks or stone walls, used as a farmstead or high-status residence during the early medieval period in Ireland. Thousands survive across the country, but few yielded the density of craft evidence that Garranes did. Whether the unnamed structure nearby is related to that complex, represents a separate enclosure, or is something else entirely, is not recorded in what is currently available.