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Castell Tal-y-Fan is a medieval castle located in Wales and protected by Cadw under reference GM421. The site sits upon bedrock of the Lias Group, a sequence of mudstone, siltstone, limestone and sandstone formations laid down during the Aalenian period. This geology has shaped both the landscape around the castle and the building materials available to its medieval builders.
The castle occupies a position that reflects the strategic concerns of the medieval Welsh and Norman periods. Its construction and development would have been constrained by the local stone resources, with the varied lithologies of the Lias Group providing usable building material. The mudstones and siltstones of this sequence weather relatively readily, whilst the limestone and sandstone beds offered more substantial stone for fortification.
Medieval castles in Wales served multiple functions as military strongholds, administrative centres and symbols of power. Castell Tal-y-Fan's survival to the present day, despite the weathering effects of exposure to Welsh upland climate, testifies to the durability of its construction and the significance of its location. Its protection as a scheduled monument recognises its importance to Welsh medieval heritage.
Castell Tal-y-Fan is a scheduled monument protected by Cadw under reference GM421. View the official record →
Castell Tal-y-Fan is a medieval castle located in Wales and protected by Cadw under reference GM421.
Castell Tal-y-Fan dates from the medieval period, and is classified as a castle. It is one of over 32,000 scheduled monuments protected across the UK.
Castell Tal-y-Fan 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 GM421.
Several scheduled monuments lie within 10 km, including Deserted Medieval Village North East of Rock Farm (9 km), Llancadle Deserted Medieval Village (9.1 km), West Orchard Manor House (9.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Tal-y-Fan'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.
Castell Tal-y-Fan stands on Lias Group, bedrock that formed in the Aalenian. The rock here is mudstone, siltstone, limestone and sandstone.