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Castell Harlech is a substantial castle built by Edward I between 1283 and 1289 during the final Welsh campaign to establish English military control over North Wales. The fortress occupies a dramatic rocky crag overlooking Cardigan Bay and the Meirionnydd coastline, positioned as a key stronghold in Edward's Iron Ring of castles designed to contain Welsh resistance. The castle displays characteristic Edwardian military architecture with its concentric defensive design, featuring a strong outer curtain wall and inner ward, alongside a substantial gatehouse that served both defensive and residential functions. The site has retained considerable structural integrity and remains one of the finest examples of late thirteenth-century military engineering in Wales, holding strategic importance throughout the medieval period and subsequently.
Castell Harlech is a scheduled monument protected by Cadw under reference ME044. View the official record →
Castell Harlech is a substantial castle built by Edward I between 1283 and 1289 during the final Welsh campaign to establish English military control over North Wales. It is designated a Scheduled Ancient Monument by Cadw under reference ME044.
Castell Harlech 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 Harlech 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 ME044.
Several scheduled monuments lie within 10 km, including Dyffryn Ardudwy Chambered Tomb (8.5 km), Berth Ddu Hut Circles (8.6 km), Cors-y-Gedol Settlements & Field System (8.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Harlech'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 Harlech stands on Lower Cambrian Rocks (Undifferentiated), bedrock that formed in the Early Cambrian. The rock here is sandstone and conglomerate, interbedded.