Nothing about it announces itself. It measures roughly six metres north to south and four and a half metres east to west, rising only between forty and eighty centimetres above the surrounding ground. To an untrained eye it would read as nothing more than a slight rise in a wet field. What it almost certainly is, however, is a fulacht fia, a type of Bronze Age cooking site found in enormous numbers across Ireland, and particularly concentrated in low-lying, waterlogged areas.

Fulachta fia, the plural form, are among the most common prehistoric monuments in the Irish landscape. The typical interpretation is that they represent outdoor cooking places, where stones were heated in a fire and then dropped into a trough of water to bring it to a boil, the shattered and fire-cracked stones accumulating over time into the characteristic horseshoe-shaped or irregular mound that survives today. The damp, low-lying setting at Lackareagh is entirely consistent with this pattern; access to water was essential to the process. What makes this particular example quietly notable is the company it keeps. Three other fulachta fia have been recorded in the immediate vicinity, suggesting that this was not a one-off or incidental use of the landscape but part of a more sustained, repeated pattern of activity in this corner of Clare during prehistory. The later wall overlying the mound is a reminder that the land continued to be worked long after the original purpose of the site had been forgotten, the Bronze Age feature absorbed into a post-medieval field system without ceremony.