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Ty-Isaf Long Barrow is a prehistoric chambered long barrow located in Wales and protected as a scheduled monument by Cadw under reference BR006. The monument sits upon Lower Devonian bedrock comprising undifferentiated mudstone, siltstone and sandstone laid down during the Early Devonian period. These stable geological foundations provided secure ground for the barrow's construction.
Like other chambered long barrows of Neolithic date, Ty-Isaf would have served as a communal burial monument, its internal passage and chamber designed to accommodate multiple interments over an extended period. The barrow's elongated earthwork form is characteristic of monuments built across Britain and Wales during this era, representing significant investment of labour and resources by early farming communities.
The monument's survival into the modern period reflects both the substantial construction of such Neolithic monuments and the protection afforded by its scheduled status. The local geology of mudstone and siltstone, whilst less durable than harder stone, has nonetheless permitted preservation of the barrow's structural earthworks, allowing this important record of prehistoric funerary practice to remain visible in the Welsh landscape today.
Ty-Isaf Long Barrow is a scheduled monument protected by Cadw under reference BR006. View the official record →
Ty-Isaf Long Barrow is a prehistoric chambered long barrow located in Wales and protected as a scheduled monument by Cadw under reference BR006.
Ty-Isaf Long Barrow dates from the prehistoric period, and is classified as a chambered long barrow. It is one of over 32,000 scheduled monuments protected across the UK.
Ty-Isaf Long Barrow 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 BR006.
Several scheduled monuments lie within 10 km, including Tretower Shrunken Medieval Settlement (7.7 km), Tretower Castle (7.8 km), Tretower Barn (7.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Ty-Isaf Long Barrow'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.
Ty-Isaf Long Barrow stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is mudstone, siltstone and sandstone.