The structure is a rath, the most common type of ringfort found across Ireland, typically consisting of a raised earthen bank encircling a central living area where a household would have kept livestock, stored food, and conducted daily life. Thousands survive in various states across the country, yet each one represents a specific decision made by specific people about where and how to settle, and this example at Creagh More is no exception.

The bank here stands at 1.8 metres in height and follows the circular plan characteristic of the form. What distinguishes it slightly from a purely ancient survival is the addition of modern stone facing applied to the earthwork, a practical intervention that has helped preserve the bank's profile but also layered a more recent hand onto a structure whose origins likely reach back to somewhere between the sixth and tenth centuries. This combination of ancient earthen core and later stonework is not unusual in a farming landscape where old monuments have quietly been maintained, adapted, or reinforced by successive generations with no particular archaeological intent.