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Castell-y-Fran is a medieval motte situated in Wales and protected by Cadw under reference PE185. The earthwork rises from bedrock composed of Llanvirn Rocks, undifferentiated strata of mudstone, siltstone and sandstone formed during the Whiterock epoch. This geological foundation, typical of the region, would have provided a stable base for the motte's construction and subsequent occupation.
As a motte, the monument represents a characteristic form of medieval fortification common throughout Britain and Wales during the Norman period and beyond. The mound itself would originally have supported a timber palisade and domestic or military structures at its summit, with an associated bailey or defended courtyard at its base, though the precise form of these features at Castell-y-Fran remains subject to archaeological interpretation.
The site's location in the Welsh landscape places it within a broader pattern of medieval military and administrative control. Mottes of this type typically served as territorial strongholds, administrative centres, or garrison posts during the medieval period, functioning as nodes in networks of lordly authority. The survival of Castell-y-Fran as an earthwork testament to medieval settlement and defence in Wales.
Castell-y-Fran is a scheduled monument protected by Cadw under reference PE185. View the official record →
Castell-y-Fran is a medieval motte situated in Wales and protected by Cadw under reference PE185.
Castell-y-Fran dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.
Castell-y-Fran 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 PE185.
Several scheduled monuments lie within 10 km, including Iron Age Hillslope Enclosure in Canaston Wood (8.1 km), Castell Coch (8.6 km), Minwear Ringwork (8.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell-y-Fran'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-y-Fran stands on Llanvirn Rocks (Undifferentiated), bedrock that formed in the Whiterock. The rock here is mudstone, siltstone and sandstone.