It is an unassuming thing to look at, the kind of low rise in the ground that could easily be passed off as a natural feature. What makes it worth pausing over is the weight of competing explanations that have accumulated around it.

Writing in 1914, a commentator named Neary recorded that this elevated spot served as a military viewpoint, a place where generals stood to keep watch in wartime. That kind of elevated observation platform, a simple earthen mound raised just enough to extend the line of sight across open country, has clear practical logic, and such features are known from various periods of Irish history. But local tradition offers a different account entirely: that the mound is not a lookout at all but a grave, marking the burial place of a soldier killed in battle on or near the hill. Under this reading, the name Knockaunbrack, or the hill's popular designation as Checker Hill, is said to derive from the colour of that soldier's uniform. The two stories are not necessarily incompatible, since a commanding viewpoint and a battle site could easily share the same ground, but neither has been confirmed by excavation or documentary evidence, and so both remain in the register somewhere between local memory and open question.

The mound is oriented east to west and described as subrectangular in plan, meaning roughly rectangular with slightly irregular edges, the kind of form that distinguishes human construction from the more random contours of natural earthworks. It sits on a true summit, which at least lends credibility to the watchpoint tradition; the elevation would have offered genuine sightlines across the surrounding landscape of north County Galway.