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Creigiau'r Llyn cairn cemetery is a prehistoric round cairn located in Wales and protected by Cadw under reference MG319. The monument sits upon bedrock of Wenlock age, composed of interbedded sandstone and conglomerate that would have been readily available for cairn construction. This geological foundation is characteristic of the Ordovician Wenlock rocks that underlie much of mid-Wales, providing both building material and a stable base for ritual monuments.
Round cairns of this type typically date to the Bronze Age and served as burial monuments, often constructed by local communities to inter their dead and mark significant landscape features. The use of local stone in cairn construction reflects the practical advantage of working with materials at hand, whilst the prominent placement would have made these monuments visible markers within the contemporary settlement pattern.
The designation as a cairn cemetery suggests the site contained multiple burials or was used for interments over an extended period. Such multiple-burial cairns are relatively common in upland Wales, where the durable stone construction has enabled many examples to survive into the modern period. The monument's protection recognises its value in understanding prehistoric funerary practices and the land use patterns of Bronze Age communities.
Creigiau'r Llyn cairn cemetery is a scheduled monument protected by Cadw under reference MG319. View the official record →
Creigiau'r Llyn cairn cemetery is a prehistoric round cairn located in Wales and protected by Cadw under reference MG319.
Creigiau'r Llyn cairn cemetery dates from the prehistoric period, and is classified as a round cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Creigiau'r Llyn cairn cemetery 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 MG319.
Several scheduled monuments lie within 10 km, including Bryn Gwyn Deserted Rural Settlement (2.7 km), Llanwddyn Hospitium (3.9 km), Llechwedd Du Round Cairn (5.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Creigiau'r Llyn cairn cemetery'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.
Creigiau'r Llyn cairn cemetery stands on Wenlock Rocks (Undifferentiated), bedrock that formed in the Wenlock. The rock here is sandstone and conglomerate, interbedded.