A midden is, at its simplest, a prehistoric rubbish heap, most often composed of shells, animal bones, ash, and the general debris of daily life. That ordinariness is exactly what makes such sites valuable: where grander monuments record ceremony or defence, a midden records what people ate, how they processed food, and how long they returned to the same spot. Coastal and estuarine examples are particularly common along the western seaboard of Ireland, where communities exploited shellfish and marine resources over long periods, sometimes building up substantial deposits over centuries.

The Tawlaght site is recorded as an archaeological monument, though detailed information about its date, extent, or excavation history is not currently available in the public domain. Kerry's coastline and inland waterways have produced midden deposits ranging from the Mesolithic period onward, and the county's relatively undisturbed landscapes mean that many such sites survive largely intact beneath the surface or as low, unassuming mounds. Without further detail on this particular example, it is difficult to say more about its character, but its formal recognition as a monument indicates that it was identified during field survey as a site of archaeological significance worth protecting.