No ridge, furrow, or earthwork breaks the surface today, yet the fields are demonstrably there, pressed flat into the ground and invisible to anyone standing in them.

In July 1968, aerial reconnaissance carried out under the Cambridge University Collection of Aerial Photography programme captured a series of irregular field boundaries spread across an area roughly 750 metres by 500 metres. The boundaries show up as cropmarks or soilmarks, the kind of faint tonal variations that appear from altitude when buried features affect the moisture or growth of the vegetation above them. The field system surrounds a plantation bawn, a term for the fortified enclosure, typically walled in stone, that was constructed by English and Scottish settlers during the plantation period of the sixteenth and seventeenth centuries. A house is also recorded in association with the site. Taken together, the complex suggests a working agricultural landscape organised around a defended settler homestead, the kind of arrangement that once dotted the west of Ireland during a particularly turbulent period of colonial reorganisation.

What makes Caheravoley quietly arresting is the completeness of its disappearance. Centuries of grazing and agricultural use have erased every physical trace at ground level, leaving a site that exists, in practical terms, only as a photograph taken from the sky more than fifty years ago.