Marked simply as ‘Fort’ on the first edition Ordnance Survey 6-inch map, this single-ringed earthwork has largely succumbed to time and development. What survives today is modest; a portion of an earthen bank and its accompanying fosse, or defensive ditch, may be original features, though the site has been significantly altered by later construction.

The enclosure’s location speaks to the practical considerations of its builders. Positioned on good quality land in the Gartan area, the site would have offered advantages for agriculture and settlement. Such ringforts, as they’re commonly known, were typical dwelling places in early medieval Ireland, usually dating from roughly 500 to 1000 AD. They served as fortified farmsteads for prosperous families, combining defensive features with the needs of daily rural life.

Today, visitors to Carrowtrasna will find it requires some imagination to envision the site’s former significance. The archaeological record here is fragmentary, with modern building having obscured much of the original footprint. Yet even these scant remains contribute to our understanding of settlement patterns in medieval Donegal, reminding us that beneath the contemporary landscape lies centuries of human habitation and adaptation.