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Ogof y Pebyll Cave is a prehistoric cave site located in Wales, protected as a scheduled ancient monument by Cadw under reference GM434. The cave has formed within Triassic bedrock comprising interbedded sandstone and conglomerate deposits laid down during the Triassic period, over 200 million years ago. The underlying geology has created a natural cavity that attracted human occupation in antiquity.
The cave's position within these Triassic rocks makes it geologically distinct within the wider landscape, as such cave systems were naturally forming shelters attractive to prehistoric peoples. The interbedded nature of the sandstone and conglomerate would have provided varying degrees of resistance to weathering and erosion, influencing the cave's development and stability over time.
The site remains an important record of prehistoric human activity in Wales. Its protection by Cadw reflects the archaeological significance of cave occupation sites in understanding early settlement patterns, subsistence strategies and material culture. Such natural rock shelters served as functional bases for hunting and gathering communities throughout prehistory and into later periods.
Ogof y Pebyll Cave is a scheduled monument protected by Cadw under reference GM434. View the official record →
Ogof y Pebyll Cave is a prehistoric cave site located in Wales, protected as a scheduled ancient monument by Cadw under reference GM434.
Ogof y Pebyll Cave dates from the prehistoric period, and is classified as a cave. It is one of over 32,000 scheduled monuments protected across the UK.
Ogof y Pebyll Cave 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 GM434.
Several scheduled monuments lie within 10 km, including Caer Dynnaf hillfort (7.2 km), Round Barrows N of Breach Farm (7.2 km), Llanblethian Castle (7.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Ogof y Pebyll Cave'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.
Ogof y Pebyll Cave stands on Triassic Rocks (Undifferentiated), bedrock that formed in the Triassic. The rock here is sandstone and conglomerate, interbedded.