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Mynydd Bach-Trecastell Stone Circles is a Bronze Age stone circle situated on moorland in Wales. The monument consists of a ring of standing stones positioned on elevated terrain underlain by Pridoli rocks, a sequence of mudstone, siltstone and sandstone laid down in the Pridoli age. This geological foundation provides the raw stone from which the circle's component stones were likely sourced and shaped by communities practising pastoralism and ritual activity during the Bronze Age.
The circle occupies a prominent position on the open moorland landscape, typical of Bronze Age ceremonial sites in upland regions. Such circles served purposes encompassing burial, gathering and astronomical observation within prehistoric communities. The siting on higher ground provided both practical visibility across the surrounding terrain and spiritual significance to Bronze Age peoples.
The monument is protected under Cadw's conservation framework as reference BR069, reflecting its status as a nationally significant archaeological and cultural heritage asset. The stone circle remains an important record of Bronze Age settlement patterns and ritual practice in Wales, with its positioning and construction contributing to understanding of prehistoric land use in upland areas during the second millennium before Christ.
Mynydd Bach-Trecastell Stone Circles is a scheduled monument protected by Cadw under reference BR069. View the official record →
Mynydd Bach-Trecastell Stone Circles is a Bronze Age stone circle situated on moorland in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference BR069.
Mynydd Bach-Trecastell Stone Circles dates from the bronze age period, and is classified as a stone circle. It is one of over 32,000 scheduled monuments protected across the UK.
Mynydd Bach-Trecastell Stone Circles 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 BR069.
Several scheduled monuments lie within 10 km, including Troed Rhiw Wen Prehistoric Standing Stone (5.4 km), Garn Las ring cairn (6.1 km), Garn Las platform cairn (6.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Mynydd Bach-Trecastell Stone Circles'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.
Mynydd Bach-Trecastell Stone Circles stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is mudstone, siltstone and sandstone.