© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Pen Allt-mawr is a platform cairn located in Breconshire, Wales, dating to the Prehistoric period and serving a religious, ritual, or funerary function. The monument consists of a constructed platform of stone, characteristic of cairn structures built across upland regions of Wales during prehistory. As a platform cairn, it represents an important category of ritual and funerary monument, though the specific chronological period of its construction and the precise nature of its ritual use remain subjects of archaeological study. The site is protected under the Welsh heritage designation system as Scheduled Ancient Monument BR305 by Cadw.
Pen Allt-mawr platform cairn is a scheduled monument protected by Cadw under reference BR305. View the official record →
Pen Allt-mawr is a platform cairn located in Breconshire, Wales, dating to the Prehistoric period and serving a religious, ritual, or funerary function. It is designated a Scheduled Ancient Monument by Cadw under reference BR305.
Pen Allt-mawr platform cairn dates from the prehistoric period, and is classified as a platform cairn. It is one of over 32,000 scheduled monuments protected across Britain.
Pen Allt-mawr platform 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 BR305.
Several scheduled monuments lie within 10 km, including Hen Castell (7.8 km), Cwrt-y-Gollen Standing Stone (7.9 km), Coed Pentwyn Hillfort (8.2 km).
Aubrey generates in-depth historical research for any address in Britain — drawing on scheduled monument data, Domesday records, Roman heritage, PAS finds and medieval history to reveal the complete story of a landscape.
Research the area around Pen Allt-mawr platform cairn