Scheduled MonumentsWalesCastell Odo
Prehistoric · Hillfort

Castell Odo

Conwy, Wales
Cadw SAM CN045
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Castell Odo is a prehistoric hillfort located in Conwy, Wales, situated on elevated terrain commanding views across the surrounding landscape. The site is defined by its defensive earthworks, comprising banks and ditches characteristic of Iron Age fortification design, though the precise dating and phases of construction remain subjects of archaeological investigation. Its commanding position reflects the strategic importance of hillforts in prehistoric Wales as centres of power, control, and refuge during the later prehistoric period. The monument is protected as a scheduled ancient monument under the Cadw register, recognising its archaeological and historical significance to understanding Iron Age settlement and society in north Wales.

Castell Odo is a scheduled monument protected by Cadw under reference CN045. View the official record →

About this monument

Questions & answers

What is Castell Odo?

Castell Odo is a prehistoric hillfort located in Conwy, Wales, situated on elevated terrain commanding views across the surrounding landscape. It is designated a Scheduled Ancient Monument by Cadw under reference CN045.

What period does Castell Odo date from?

Castell Odo dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting Castell Odo?

Castell Odo 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 CN045.

What other scheduled monuments are near Castell Odo?

Several scheduled monuments lie within 10 km, including The Veracius Stone (formerly in Tudweiliog, Dwyfor) (2.5 km), The Senacus Stone (formerly in Tudweiliog, Dwyfor) (2.5 km), Capel Anelog (3.3 km).

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