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Glog Las round cairn is a prehistoric burial monument built upon Dinantian limestone bedrock in Wales. Like other round cairns of the Bronze Age, it comprises a mound of stone raised over a burial deposit, constructed during the period when such monuments were widespread across the British uplands. The underlying geology—a mixture of limestone with sandstone and argillaceous rocks—would have provided suitable stone for cairn construction from the immediate locale.
The monument sits within landscape shaped by its Mississippian bedrock, which creates distinctive terrain and drainage patterns across this region of Wales. The availability of stone from the surrounding ground would have made this location practical for raising such a monument, as builders could source materials without extensive transport. The character of the cairn reflects typical Bronze Age burial practices, when communities invested significant labour in monumental stone constructions to mark and protect their dead.
Glog Las round cairn is protected as a scheduled monument under Cadw, the Welsh heritage protection agency, registration number BR344. This legal status recognises its importance as evidence of prehistoric settlement patterns and funerary customs. The monument remains a significant element of the archaeological record, preserving information about Bronze Age society in Wales through its physical form and location within the contemporary landscape.
Glog Las round cairn is a scheduled monument protected by Cadw under reference BR344. View the official record →
Glog Las round cairn is a prehistoric burial monument built upon Dinantian limestone bedrock in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference BR344.
Glog Las round cairn 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.
Glog Las round cairn 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 BR344.
Several scheduled monuments lie within 10 km, including Two Round Cairns on the Summit of Mynydd-y-Glog (5.9 km), Ring Cairn and Round Cairn on Southern Side of Mynydd-y-Glog (6.5 km), Three Round Cairns on the Southern Side of Mynydd-y-Glog (6.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Glog Las round cairn'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.
Glog Las round cairn stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.