Covered in turf and blending into the marshy landscape of An Ghairfeanaigh on the Dingle Peninsula, it is in fact a fulacht fia, a type of prehistoric cooking site found across Ireland in their thousands, typically identified by this distinctive horseshoe or kidney shape and their tendency to cluster near water. The mound itself is the accumulated debris of repeated use, built up over time from fire-cracked stone that was heated and then dropped into a water-filled trough to bring it to the boil.

This particular example sits roughly 55 metres from the western bank of the Garfinny river, and a dried-up stream bed visible nearby suggests that a more immediate water source may once have served the site. The mound reaches its greatest height at its eastern end, and its in-curving front faces west-northwest. At 19 metres across its maximum dimension, it is a reasonably substantial example of the type. Fulachtaí fia are most commonly dated to the Bronze Age, though some sites were in use across a much longer span, and their precise function has long been debated, with cooking the most widely accepted explanation, though bathing, brewing, and textile processing have all been proposed. The site was documented as part of the Corca Dhuibhne archaeological survey of the Dingle Peninsula, published in 1986 by J. Cuppage under the auspices of Oidhreacht Chorca Dhuibhne.