That, in essence, is what a burnt mound is: the accumulated debris of a prehistoric cooking or processing method in which stones were heated in a fire, dropped into a water-filled trough to bring it to the boil, and then discarded once they had cracked and become useless. Over time, those fractured stones and the surrounding charcoal-blackened earth built up into a low mound, sometimes crescent-shaped, sometimes roughly circular as here. They are among the most common prehistoric monuments in Ireland, dating broadly to the Bronze Age, yet they remain largely invisible to anyone not actively looking for them.

The spread at Crushyriree is modest in extent but typical in character, the dark soil and small stones and charcoal being precisely the signature a burnt mound leaves behind after centuries under agricultural ground. What adds a quiet note of interest is the presence of a second possible burnt mound approximately fifty metres to the north. Whether the two were in use at the same time, or represent activity separated by generations, is not known, but their proximity suggests this particular slope saw sustained or repeated use during prehistory.