Fulacht Fiadh

Fulachtaí fiadh are usually found close to water sources.

© Moylough Heritage Group

Fulachtaí fiadh are usually found close to water sources, such as springs, rivers and streams, or waterlogged ground. They were also sited close to sources of suitable stone where it could be obtained close to the surface. They required a source of fuel, so would have been close to woodland. They would also have to be in proximity to whatever was being processed by boiling in the trough. Once these conditions were met a fulacht fiadh could be constructed. Once the use of a fulacht fiadh had ended it was common for people to continue to make use of the local landscape, therefore fulachtaí fiadh tend to be found in groups strung out along water courses.


Fulachtaí fiadh generally consist of three main elements: a mound of stones, a hearth used to heat the stones, and a trough, often lined with wood or stone, which was filled with water and into which the heated stones were placed to warm the water. Troughs may be cut into subsoil or, more rarely, into bedrock. The site may contain the remains of structures such as stone enclosures or even small buildings, and sometimes multiple hearths and additional, smaller pits. They are almost always found near running water, or in marshy areas where a hole dug into the ground would quickly fill with water. A number of the fulachtaí fiadh pits are approximately a metre wide by 2 metres long and maybe half a metre or more in depth. However, size can vary a great deal from site to site, from rather small pits lined with stones to pools conceivably large enough for people to bathe in.


It is postulated that these pits were filled with water and heated stones thrown in to create a pool of boiling water in which meat was cooked. This is because when excavated, fulachtaí fiadh are found with associated charred, scorched and broken rocks. The Ballyvourney reconstruction also included successful attempts at heating the water and cooking meat in this manner. Other theories suggest that the sites may have been used for bathing, the washing and dyeing of cloth, and leather working. Supporters of these theories point to the fact that no remains of foodstuffs have been found at the fulacht fiadh sites. Some researchers believe the fulachtaí fiadh were multi-purpose and could have, at least in some cases, been used for all of these activities – cooking, bathing, dyeing, or anything involving hot water. Some fulacht fiadh reconstructions, such as the one at Ballyvourney, include circular, hut-type structures based on the post holes found at the sites; some believe these small buildings were used for the storing and preparation of foodstuffs. Another theory is that the small buildings on site were used for enclosing heat and steam in a manner similar to the Tigh ‘n Alluis Gaelic sweat-houses (which were built of stone), however, this theory does not take into account the fact that the hot water trough is located outside the buildings (when a building is even present at all).



This page was added on 16/02/2015.

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