Burnt mound, Shantallow, Co. Mayo
Co. Mayo |
Ritual/Ceremonial
In a gently rolling limestone field in Shantallow, County Mayo, a low grassy mound sits beside a choked and overgrown stream.
Nothing about it announces its age or purpose. It measures roughly ten and a half metres east to west and under seven metres north to south, rising only half a metre at its highest point. A dense patch of nettles fills a slight hollow at its centre, the kind of detail that would register, if at all, as a drainage quirk or an old spoil heap. It is, in fact, a burnt mound, one of the most common yet least-discussed monument types in the Irish landscape.
Burnt mounds are the accumulated debris of a cooking or heating method used predominantly during the Bronze Age. The process involved heating stones in a fire and plunging them into a water-filled trough to bring it to the boil, after which the cracked and spent stones were discarded to the side, building up over repeated use into the characteristic horseshoe or semicircular shape. The proximity to a water source is no accident; burnt mounds are almost always found beside streams, springs, or boggy ground. Here, the relevant watercourse runs along the western bank where the mound sits, though it has been recut at some point in the past and is now largely silted and vegetated. When part of the mound was examined in 2000, erosion caused by farm stock had exposed its interior, revealing angular stone fragments set in dark soil, exactly the signature material of this monument type: fire-shattered rock and the charcoal-rich earth that accumulates around it. A low field wall borders the mound to the south, and a slight additional rise on the far side of that wall may represent a further remnant of the same feature.