This rectangular cropmark, measuring approximately 180 metres north to south and 100 metres east to west, was first spotted during an aerial survey for the Bórd Gáis Éireann gas pipeline in November 1984. The site sits just 100 metres north of a moated site at Duntryleague, suggesting this area once held considerable importance in medieval times.

What makes this site particularly intriguing is its ephemeral nature; it appears and disappears depending on the season and weather conditions. The rectangular outline showed up clearly as a cropmark on Google Earth imagery from September 2019, yet by June 2021, no trace could be seen from above. This vanishing act is typical of buried archaeological features, where differences in soil moisture and composition affect crop growth, creating patterns visible only during certain growing conditions or dry spells.

The absence of this feature from Ordnance Survey Ireland’s historic maps suggests it had already faded from local memory by the time systematic mapping began in the 19th century. Its proximity to the moated site at Duntryleague hints at a broader medieval landscape, possibly including field systems, settlements, or defensive structures that once dominated this corner of Limerick. Today, these ghostly outlines serve as reminders that Ireland’s pastoral fields often conceal centuries of human activity just beneath the surface.