Enclosure, Tomboholla, Co. Mayo
Co. Mayo |
Enclosures
On a ridge top in Tomboholla, County Mayo, there sits an earthwork that does not appear on the Ordnance Survey six-inch maps, is locally called a fort, and is slowly being absorbed back into the landscape around it.
That absence from the historical mapping record is itself telling: whatever this enclosure was, it slipped through the net of nineteenth-century surveyors, leaving its identity uncertain and its age unrecorded.
The site is tentatively classified as a possible rath, a term for a roughly circular or ovoid enclosed farmstead of early medieval Ireland, typically defined by an earthen bank and ditch. Here, the enclosure survives in poor condition. Its roughly ovoid outline measures approximately 26 metres on its north-east to south-west axis and around 22 metres across, defined not by a proper bank but by the remnants of a scarp, a low eroded edge, reaching no more than 0.6 metres in height. This scarp is most legible on the western and north-western sides, where it merges with the natural fall of the ridge. On the eastern side it has been cut through by a straight field fence, and elsewhere the enclosure edge simply dissolves into the slope. Inside the eastern half of the interior, prominent cultivation ridges run on a north-north-west to south-south-east axis, the physical trace of old spade or plough tillage. Cutting across these ridges is an L-shaped trench or depression, roughly 2.5 metres wide at the top and 0.4 metres deep, which runs about ten metres northward from the southern slope before turning eastward for a further three metres. Because it appears to cut through the cultivation ridges, it is likely the result of more recent disturbance rather than anything connected to the enclosure's original use. A telegraph pole stands in the eastern quadrant, a reminder of how thoroughly working farmland recycles its own history.
The ridge position does give the site one quality that would have mattered to whoever originally built here: visibility. The ground falls away in all directions into undulating grassland, and the views across the surrounding countryside remain open and unobstructed.