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Gwernvale chambered cairn is a Neolithic long barrow situated in Breconshire, Wales, dating to the period approximately 3500 to 2500 BCE. The monument consists of a stone-built chambered structure integrated within an earthen and stone mound, typical of the megalithic funerary tradition of Neolithic Britain and Wales. Excavations have revealed evidence of multiple inhumations within the chamber, indicating its use as a communal burial place across an extended period. The site represents an important example of early agricultural society's monumental architecture and ritual practices in south Wales, forming part of the broader distribution of chambered long barrows across the Welsh uplands and borderlands.
Gwernvale chambered cairn is a scheduled monument protected by Cadw under reference BR016. View the official record →
Gwernvale chambered cairn is a Neolithic long barrow situated in Breconshire, Wales, dating to the period approximately 3500 to 2500 BCE. It is designated a Scheduled Ancient Monument by Cadw under reference BR016.
Gwernvale chambered cairn dates from the prehistoric period, and is classified as a chambered long barrow. It is one of over 32,000 scheduled monuments protected across Britain.
Gwernvale chambered 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 BR016.
Several scheduled monuments lie within 10 km, including Ironstone Quarries at Carreg Maen Taro (8.4 km), Pwll Du Limestone Quarry & Water Balance Lift (8.7 km), Dyne Steel Incline (8.7 km).
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