This subcircular patch of raised ground, measuring approximately 10 metres in internal diameter, sits amid well cultivated farmland, its surface scattered with loose stones that hint at its ancient purpose. The site appears on the second edition of the Ordnance Survey 6-inch map, where it’s marked as a ‘Caldragh’, a term that likely refers to a burial ground or cemetery in Irish tradition.

The exact nature and age of this monument remain somewhat mysterious, though its form suggests it could be anything from a prehistoric ring fort to an early medieval burial site. The raised earthwork, combined with the scatter of stones, indicates deliberate construction rather than natural formation, whilst its riverside location would have been deliberately chosen by whoever built it. Such sites are relatively common throughout Donegal, where the landscape preserves traces of human activity spanning thousands of years, from the Mesolithic period right through to the 17th century.

Today, the site stands as a subtle reminder of the county’s layered history, easily overlooked amongst the agricultural fields unless you know what you’re looking for. Its documentation in the Archaeological Survey of County Donegal, compiled by Brian Lacey and his team in 1983, ensures that this modest but intriguing monument remains part of the historical record, even as farming continues around it much as it has for centuries.