This is the nature of cropmark archaeology: buried features, whether the filled-in ditches of ancient enclosures or the remnants of long-gone structures, affect how plants grow above them. In a dry season, the difference in soil depth or moisture can cause grass or crops to yellow or green at slightly different rates, and for a short window, the outline of something very old becomes readable from altitude. That window, in this case, appears to have closed.

The site sits roughly 90 metres south of Sun Ville house, with a second enclosure recorded approximately 30 metres to the north-northwest. An enclosure, in Irish archaeological terms, is typically a roughly circular area defined by a bank and ditch, often associated with early medieval settlement, though enclosures of various periods and purposes are found across the country. This particular example has an approximate diameter of 25 metres, placing it at the smaller end of the spectrum. What makes it notable, beyond its ghostly visibility, is that it does not appear on any Ordnance Survey historic mapping, meaning it went unrecorded through the principal era of systematic Irish landscape documentation. It was only identified through analysis of Digital Globe orthophotos captured between 2011 and 2013, a reminder that aerial and satellite imagery continues to add to the archaeological record in ways that ground-level survey simply cannot. The site was compiled by Caimin O'Brien, Alison McQueen, and Vera Rahilly, and uploaded to the record in July 2020.

There is little here for a visitor to see with the naked eye, and that is rather the point. The field is private agricultural land, and the enclosure itself leaves no upstanding trace. Its presence is known only through a few years of fortuitous photographic conditions and the patient work of researchers studying aerial imagery. If anything, the site is worth knowing about not as a destination but as an illustration of how provisional the archaeological map of Ireland remains, and how much still flickers in and out of visibility depending on the season, the angle of light, and which satellite happened to pass overhead on which particular afternoon.