Just 305 metres to the north-east lie a pair of recorded cremation pits, ancient deposits that suggest this corner of Limerick was in use for ceremonial or funerary purposes long before the ringfort itself was raised. That proximity is not explained by the current record, but it is the kind of detail that shifts how you look at an ordinary-seeming field.

A ringfort, or rath, is the most common monument type in the Irish countryside, typically a circular enclosure defined by an earthen bank and ditch, used as a farmstead during the early medieval period, roughly from the fifth to the twelfth century. The example at Knockuregare appears on the 1840 edition of the Ordnance Survey Ireland six-inch map as a circular area enclosed by a bank, and by the time the 25-inch map was published in 1897, surveyors recorded a raised circular platform measuring approximately 27 metres north to south and 28 metres east to west, defined by a scarp and an external fosse, that is, a ditch, running around most of its circumference. Orthophotography taken between 2005 and 2012 confirmed the monument was still legible as a bank-and-fosse enclosure, and a Google Earth image from June 2018 showed traces of the fosse remaining visible on the south-western side. The site sits 148 metres south-west of the townland boundary with Ballingayrour, placing it just inside Knockuregare itself.

One of the more intriguing details to emerge from aerial survey is a set of linear cropmarks, the kind of faint discolouration in growing crops or grass that can betray buried ditches or walls beneath the surface. These run east to west and intersect the monument at its north-west and southern edges, connecting into a north-to-south cropmark that extends beyond the ringfort. Whether these represent field boundaries, earlier enclosures, or something else entirely is not yet established, but they are visible on both the OSi orthophotography and Google Earth imagery. The site is in agricultural pasture and not formally open to visitors, so any approach should respect land access. The cropmarks are most likely to be visible from above, making aerial imagery, freely accessible via Google Earth or the OSi Geohub, the most practical way to appreciate the fuller pattern of what lies beneath the grass.