In 1838, when the Ordnance Survey first recorded this part of County Wicklow at six inches to the mile, the surveyors drew a circle on a gentle south-east-facing slope. That circle was an enclosure, the kind of roughly circular earthwork boundary that appears throughout the Irish landscape and typically dates to the early medieval period, though some are considerably older. By the time the current Ordnance Survey edition was produced, that same feature had been reduced to an irregular field boundary, its original geometry absorbed into the working landscape around it.