These underground stone-lined passages, built during the early medieval period roughly between the sixth and twelfth centuries, are among the more quietly puzzling features of the Irish landscape. Constructed by hand from carefully placed dry-stone walling and covered with large capstones, they run beneath farmland and former settlement sites in their hundreds across Ireland, and Kerry has more than its share. Their precise purpose is still debated; leading theories include storage of perishables in their cool, stable interiors, refuge during times of raid or conflict, or some combination of both.

The Ardcrone example is recorded as a monument, placing it within a broader pattern of early medieval activity in the Kerry landscape. Kerry's souterrains are often associated with ringforts, the circular enclosed farmsteads that were the standard unit of rural settlement in early Christian Ireland, and it is not uncommon to find a souterrain's entrance concealed within the interior of such a fort, or tucked beneath its bank. Without more detailed documentation currently available for this particular site, the specifics of its construction, dimensions, and any associated features remain difficult to pin down, but its existence gestures toward a community that once worked and sheltered in this part of the Iveragh or Dingle hinterland.