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Cyrnau Long Hut is a medieval rectangular hut situated in Wales and protected by Cadw under reference CD199. The structure represents a domestic dwelling type common to the medieval period in upland Welsh regions, where long rectangular plans provided efficient use of limited suitable building ground. The hut's survival in the archaeological record offers evidence of settlement patterns and domestic living conditions in medieval Wales.
The site rests upon Llandovery rocks of undifferentiated character, comprising interbedded sandstone and conglomerate that would have shaped both the building's foundation conditions and the available building stone. This geology is typical of upland Wales, where such stone formations provided ready material for dry-stone or mortared construction. The Llandovery bedrock's character would have influenced the builder's choice of techniques and the hut's long-term stability.
The hut's rectangular form follows widespread medieval building conventions suited to pastoral and agricultural communities in upland terrain. Such structures typically served as residences for farming families or seasonal herding settlements. The protection afforded by Cadw recognises Cyrnau Long Hut as a significant monument contributing to understanding of medieval settlement, land use and domestic architecture in the Welsh uplands.
Cyrnau Long Hut is a scheduled monument protected by Cadw under reference CD199. View the official record →
Cyrnau Long Hut is a medieval rectangular hut situated in Wales and protected by Cadw under reference CD199.
Cyrnau Long Hut dates from the medieval period, and is classified as a rectangular hut. It is one of over 32,000 scheduled monuments protected across the UK.
Cyrnau Long Hut is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is CD199.
Several scheduled monuments lie within 10 km, including Cairn Groups on Garn Fawr (5.6 km), Troedrhiwhir standing stone (6.3 km), Crugiau Merched Cairns (7.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Cyrnau Long Hut's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Cyrnau Long Hut stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is sandstone and conglomerate, interbedded.