Boundary mounds are among the quieter categories of Irish field monument, raised earthworks used to mark the edges of territories, parishes, estates, or landholdings. They lack the drama of a ringfort or the obvious ceremonial weight of a passage tomb, which may be precisely why they tend to go unnoticed. Yet the fact that someone once considered a parcel of ground important enough to mark with a constructed earthen feature says something worth pausing over, even if the specifics of who built it, and why, and when, have not yet been fully recorded.