Across the Irish landscape, raths, the circular earthwork enclosures built throughout the early medieval period to demarcate farmsteads and their associated activity, tend to sit in relative isolation. Finding a pair in such close proximity invites questions about the relationship between the households or communities that once occupied them, questions the ground alone cannot easily answer.

The fort at Lisnagry is roughly 50 metres in diameter and survives in fair condition. It follows the classic rath form: two concentric earthen banks with a fosse, or ditch, cut between them. The double-bank arrangement suggests a degree of status or defensive concern on the part of whoever built it, since a single bank and ditch was more common. Two gaps, each about two metres wide, break the banks at the north and south, likely the original entrance points. A field boundary, probably of later agricultural origin, has been laid directly over the outer bank, running from the south-west around through the north to the south-east, which speaks to the gradual reuse and reshaping of the land across the centuries. Most intriguing is the souterrain recorded in the western sector of the interior. A souterrain is an underground stone-lined passage or chamber, built beneath or beside a settlement, most likely used for cool storage or as a place of refuge. Their presence within raths is well documented across Ireland, and here it hints at the fuller, more complex domestic life that once played out inside these banks.