These features, known in Irish as fulacht fiadh, typically appear as low, kidney-shaped or horseshoe mounds of fire-cracked stone and dark, charred soil, usually found close to a water source. The leading interpretation is that they served as cooking sites, where stones were heated in a fire and then dropped into a water-filled trough to bring it to the boil. Some researchers have also proposed uses ranging from textile processing to bathing. Most date to the Bronze Age, broadly between 1800 and 800 BC, making them roughly contemporary with the great stone circles of Munster.

Beyond its classification and location, the specific history of the Lisheen example is not currently documented in accessible form, and little detail is available about when it was first recorded, its dimensions, or its present condition. What can be said is that Clare has a significant concentration of such monuments, scattered across boggy lowlands and river margins where the combination of fuel, stone, and standing water made these sites practical. The mound at Lisheen joins a quiet but widespread class of monument that, for all its ordinariness in the catalogue, represents thousands of years of repeated, purposeful use by communities who left almost no other trace of themselves above ground.