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Talley Mound and Bailey Castle is a medieval motte and bailey, a two-part earthwork fortification typical of the Norman period and its aftermath. Located in Wales and protected by Cadw under reference CM077, the monument consists of a raised mound serving as the defensive core, accompanied by an outer bailey or courtyard area. The site exploits the local geology to advantage: the underlying bedrock of Ashgill Rocks—composed of mudstone, siltstone and sandstone—provided suitable ground for construction whilst these sedimentary deposits would have offered reasonable drainage for the earthworks during the wet Welsh climate.
Motte and bailey castles became a dominant form of fortification following the Norman Conquest, chosen for their speed of construction and effectiveness in establishing control over newly conquered territories. The type typically featured a wooden or later stone fortification on the elevated motte, which could command views across surrounding land and settlements. The bailey provided space for domestic buildings, storage and animals, creating a self-contained administrative and defensive centre.
The survival of Talley's earthworks to the present day reflects both the substantial scale of the original undertaking and the protective value of earthen ramparts through centuries of weathering. The monument remains legible in the Welsh landscape as evidence of the medieval restructuring of power and settlement that followed the Norman expansion into Wales.
Talley Mound and Bailey Castle is a scheduled monument protected by Cadw under reference CM077. View the official record →
Talley Mound and Bailey Castle is a medieval motte and bailey, a two-part earthwork fortification typical of the Norman period and its aftermath. It is designated a Scheduled Ancient Monument by Cadw under reference CM077.
Talley Mound and Bailey Castle dates from the medieval period, and is classified as a motte and bailey. It is one of over 32,000 scheduled monuments protected across the UK.
Talley Mound and Bailey 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 CM077.
Several scheduled monuments lie within 10 km, including Talley Abbey (0.6 km), Fan Camp (4.7 km), Nant Cilgwyn standing stone (4.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Talley Mound and Bailey 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.
Talley Mound and Bailey Castle stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.