Two metres high and twenty-four metres across, it is substantial enough to be deliberate, the kind of earthwork that invites questions about who raised it and why, yet offers no easy answers. The north-western section has been quarried away at some point, leaving a cut into the mound that hints at later, more pragmatic uses for the material it contains. Adjoining it on the northern side is a small square drystone structure, three metres on each side, built from unmortared stone laid without evident ceremony. Whether it is contemporary with the mound or a later addition is not recorded.

What makes the site quietly odd is that it does not stand alone. Some 120 metres to the north-west lies a second earthwork of similar character, suggesting either a deliberate pairing or a broader pattern of activity in this part of Galway that has not been fully unpicked. Circular earthen mounds of this kind can represent anything from prehistoric burial monuments to early medieval ringfort platforms, and without excavation the Carrowmunniagh example remains unclassified. The small drystone annex adds another layer of uncertainty; structures of that type and scale are sometimes associated with agricultural use, sometimes with enclosure, and sometimes with purposes that no longer make obvious sense from the outside.