Marked as ‘Friar’s Grave’ on the Ordnance Survey 6-inch maps from the 1830s, this cairn first caught scholarly attention in 1897 when William Copeland Borlase suggested it might be a dolmen, based solely on its intriguing name. The site consists of a small stone pile situated beside a holy well, hinting at a possible religious or ritual significance that extends beyond its current humble appearance.

The cairn’s location is particularly interesting, positioned just northeast of a hilltop enclosure on the same ridge. This proximity to another archaeological feature suggests the area may have held special importance for past communities, though the exact nature and date of the stone heap remain uncertain. The presence of the holy well adds another layer of historical intrigue; such wells often mark ancient sacred sites that were later incorporated into Christian tradition, possibly explaining the ‘Friar’s Grave’ designation.

Despite extensive documentation in archaeological surveys throughout the 20th century, from Borlase’s initial speculation through to the Royal Monuments Protection survey in 1995, the cairn’s true purpose and age remain unclassified. It stands as one of many enigmatic stone monuments scattered across the Donegal landscape, a tangible link to the past that refuses to yield its secrets easily. Whether it marks an actual burial, served as a territorial marker, or fulfilled some other function entirely, the Friar’s Grave continues to invite speculation from those who encounter it on the windswept ridge above Lisfannan.