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Stormy Castle is a medieval motte situated in Wales on land underlain by Triassic sandstone and conglomerate bedrock. The Triassic rocks, interbedded in composition, provide a firm foundation typical of the geological landscape across much of south Wales. The motte represents a common form of Norman or early medieval fortification, with its raised earthwork offering commanding views of the surrounding terrain.
The castle's defensive design—a prominent artificial mound crowned with a timber or stone structure—follows the established pattern of motte-and-bailey fortifications introduced to Wales following the Norman conquest. The elevated position afforded by the natural and worked topography would have provided both visual dominance and practical defensive advantage over the surrounding countryside, typical of such strongholds built to consolidate military control during the medieval period.
Stormy Castle is protected as a scheduled monument under Cadw, the Welsh heritage authority, with the reference number GM217. Its preservation reflects the archaeological and historical significance of medieval fortifications in Welsh landscapes, where such mottes survive as tangible reminders of the region's turbulent medieval history and the evolution of medieval military architecture in Wales.
Stormy Castle is a scheduled monument protected by Cadw under reference GM217. View the official record →
Stormy Castle is a medieval motte situated in Wales on land underlain by Triassic sandstone and conglomerate bedrock. It is designated a Scheduled Ancient Monument by Cadw under reference GM217.
Stormy Castle dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.
Stormy Castle 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 GM217.
Several scheduled monuments lie within 10 km, including Merthyr Mawr Warren (4.9 km), Candleston Castle (5 km), Hutchwns round barrow (5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Stormy Castle'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.
Stormy Castle stands on Triassic Rocks (Undifferentiated), bedrock that formed in the Triassic. The rock here is sandstone and conglomerate, interbedded.