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Twyn yr Esgair Settlement is a medieval rectangular hut situated in Wales on bedrock of Lower Devonian sandstone and conglomerate. The underlying geology, formed during the Early Devonian period and now undifferentiated in its precise layering, provided both the foundation and building material for structures of this age. The interbedded nature of the local stone would have made quarrying and shaping feasible for medieval builders working in this upland landscape.
The hut represents the modest domestic architecture of the medieval Welsh countryside. Rectangular stone-built structures of this type typically served as permanent or semi-permanent dwellings, their form reflecting practical construction methods suited to exposed terrain. The settlement's position reflects medieval land use patterns, with communities established where local geology and water supply permitted sustainable occupation.
The site is protected by Cadw, the Welsh Historic Monuments organisation, under reference CM306. This designation recognises its significance as evidence of medieval settlement patterns and building practices in the Welsh landscape. The monument survives as a physical record of how communities adapted their architecture to local geological and environmental conditions during the medieval period.
Twyn yr Esgair Settlement is a scheduled monument protected by Cadw under reference CM306. View the official record →
Twyn yr Esgair Settlement is a medieval rectangular hut situated in Wales on bedrock of Lower Devonian sandstone and conglomerate. It is designated a Scheduled Ancient Monument by Cadw under reference CM306.
Twyn yr Esgair Settlement 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.
Twyn yr Esgair Settlement 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 CM306.
Several scheduled monuments lie within 10 km, including Burnt Mound South of Fan Hir (6.9 km), Carn Fadog round cairn (7.3 km), Cwm Twrch settlement and limekiln (7.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Twyn yr Esgair Settlement'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.
Twyn yr Esgair Settlement stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is sandstone and conglomerate, interbedded.