That gap is itself telling. Ireland holds hundreds of such earthen mounds, some raised as burial monuments in the Bronze Age, others constructed in the early medieval period as assembly places or territorial markers, and others still that began as natural features and were later adapted or mythologised by the communities living around them. Which category this one belongs to remains, for now, an open question.

Lehinch Demesne takes its name and character from the period of landed estates that reshaped much of the Irish countryside from the seventeenth century onward. Demesnes were the private parklands attached to big houses, typically walled or otherwise bounded, and they frequently incorporated older landscape features, whether deliberately preserved as romantic curiosities or simply left undisturbed because they posed no inconvenience to the grazing or planting around them. A mound sitting within such a boundary might have been there for two thousand years before any estate wall was built nearby, or it might have been raised as a folly or a viewing platform by a landlord with an eye for landscape design. Without excavation or detailed survey, the two possibilities can be surprisingly difficult to tell apart from the surface alone.