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Craig yr Uchain is a unknown enclosure situated in Wales and protected by Cadw under reference DE230. The monument occupies ground underlain by Ashgill Rocks, a sequence of mudstone, siltstone and sandstone deposits laid down during the Ashgill period of the Ordovician. This geological foundation has shaped the landscape and likely influenced the site's settlement history.
The enclosure's precise function and dating remain undetermined, reflecting the challenges of identifying Iron Age and Romano-British monuments in upland Welsh terrain where surface features often survive without accompanying diagnostic finds. The position of Craig yr Uchain on this Ashgill bedrock places it within a broader landscape of prehistoric and early medieval activity, typical of areas where communities exploited both the accessible lower slopes and higher ground for settlement and pastoral use.
Cadw's protection of the monument ensures its preservation for future investigation. The combination of its archaeological potential and the stable geology of the Ashgill rocks provides a stable foundation for the earthwork features that define this enclosure, which may yet yield evidence of its construction and purpose through more detailed survey or excavation.
Craig yr Uchain is a scheduled monument protected by Cadw under reference DE230. View the official record →
Craig yr Uchain is a unknown enclosure situated in Wales and protected by Cadw under reference DE230.
Craig yr Uchain dates from the unknown period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Craig yr Uchain 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 DE230.
Several scheduled monuments lie within 10 km, including Foel Cwm Sian Llŵyd cairn (5.6 km), Moel Sych Round Barrow (6.3 km), Cwm Rhiwiau Stone Circle (6.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Craig yr Uchain'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.
Craig yr Uchain stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.