The earthwork at Kellysgrove covers a roughly rectangular area of around 200 metres east to west and 150 metres north to south, its humps and depressions easy to miss unless the light falls at the right angle. There is no monument here in the conventional sense, no upright stone or roofless gable, only the faint geometry of a place that human activity slowly compressed into the soil.

Local tradition holds that this is the site of a pre-Famine village. If that memory is accurate, what survives in the ground would be the footprint of a community that disappeared in the decades around the 1840s, when famine, death, and emigration emptied large portions of rural Connacht. The banks and hollows may represent the collapsed remains of house platforms, field boundaries, or garden plots, the kind of low earthwork archaeology that tends to escape formal classification but accumulates quietly at the edges of the landscape. Roughly 200 metres to the north-west lies a separate enclosure, a distinct archaeological feature that hints at a longer sequence of activity in the area, possibly predating the post-medieval settlement the tradition describes.