That much is certain. Beyond the bare fact of its existence on the archaeological record, the details remain frustratingly out of reach, which is itself a kind of quiet curiosity. Ireland is dotted with enclosures, a broad category that covers everything from early medieval ringforts, where a farming family might have lived within a circular earthen bank, to ecclesiastical enclosures marking the boundary of an early Christian settlement. Which kind this one is, how well it survives, and what it looked like in its original form are questions that remain, for now, unanswered in any publicly accessible form.

Leckaun sits in a county whose landscape is already dense with archaeology, from the limestone pavements of the Burren to the field systems and dolmens that predate written history by millennia. An enclosure recorded here could belong to almost any period, though in a Clare context the most common candidates are the ringforts of the early medieval period, roughly the fifth to twelfth centuries, when thousands of such enclosed farmsteads were built across Ireland. Some survive as impressive earthworks; others have been reduced to a faint circular crop mark visible only from the air. Without further detail, Leckaun's enclosure occupies that uncertain middle ground, known to exist, but not yet fully described for the public record.