A slight scatter of stone across a north-facing slope, and under the right conditions a cropmark visible from above, are all that remain of a ringfort that once measured roughly forty metres across. A ringfort, or rath, was a circular enclosure typically defined by an earthen bank and ditch, used in early medieval Ireland as a farmstead or place of refuge. The one at Blossomgrove was substantial enough to be clearly recorded as a circular enclosure on the Ordnance Survey's six-inch map of 1842, but by the time surveyors returned in 1904, even that clarity was gone. The feature had been reduced to a faint curve in a field fence running northeast to southwest, the archaeology folded quietly into the working landscape.

What makes the site more melancholy than merely lost is a remark recorded by Power in 1917. Writing about the townland, he noted that up to fifty years before his time, there had been three raths in Blossomgrove, and that not one now survived. That places the destruction of all three somewhere around the 1860s, a period of considerable agricultural reorganisation in rural Cork. The ringfort mapped in 1842 may have been the last of the three still legible enough to draw, already reduced or in the process of being cleared. By Power's account, the levelling was total and complete across the whole townland, leaving a place that had once held a cluster of early medieval activity with no visible trace above ground.