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Criccieth Castle is a medieval fortress situated on a rocky promontory overlooking Cardigan Bay in Gwynedd, Wales. The castle was founded in the early thirteenth century, likely by Llywelyn the Great, as part of the Welsh princes' defensive strategy in North Wales, and was subsequently developed and reinforced during the later medieval period. The outer bank defences form part of the castle's fortification system, comprising earthwork elements that supplemented the stone structures of the inner fortress. The site remains an important testimony to medieval Welsh military architecture and the power dynamics between the native Welsh principalities and English crown authority in the medieval period.
Criccieth Castle, Outer Bank Defences is a scheduled monument protected by Cadw under reference CN173. View the official record →
Criccieth Castle is a medieval fortress situated on a rocky promontory overlooking Cardigan Bay in Gwynedd, Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CN173.
Criccieth Castle, Outer Bank Defences dates from the medieval period, and is classified as a castle. It is one of over 32,000 scheduled monuments protected across the UK.
Criccieth Castle, Outer Bank Defences 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 CN173.
Several scheduled monuments lie within 10 km, including Castell Cricieth (0.1 km), Caer-Dynni Burial Chamber (1.3 km), Cefn-Isaf Burial Chamber (3.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Criccieth Castle, Outer Bank Defences'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.
Criccieth Castle, Outer Bank Defences stands on Llanvirn Rocks (Undifferentiated), bedrock that formed in the Whiterock. The rock here is mudstone, siltstone and sandstone.