Scheduled MonumentsWalesCastell Dinas
Prehistoric · Hillfort

Castell Dinas

Breconshire, Wales
Cadw SAM BR015
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Castell Dinas is a prehistoric hillfort situated in Breconshire, Wales, positioned to command views across the surrounding landscape. The site comprises defensive earthworks including a substantial rampart and ditch system that enclose the hilltop, characteristic of Iron Age fort construction in Wales. Archaeological evidence and its structural form suggest occupation and use during the Iron Age period, when such hillforts served as territorial markers, refuges, and centres of power for local communities. The monument remains an important archaeological record of prehistoric settlement patterns and defensive strategies in the Brecon Beacons region.

Castell Dinas is a scheduled monument protected by Cadw under reference BR015. View the official record →

About this monument

Questions & answers

What is Castell Dinas?

Castell Dinas is a prehistoric hillfort situated in Breconshire, Wales, positioned to command views across the surrounding landscape. It is designated a Scheduled Ancient Monument by Cadw under reference BR015.

What period does Castell Dinas date from?

Castell Dinas 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 Dinas?

Castell Dinas 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 BR015.

What other scheduled monuments are near Castell Dinas?

Several scheduled monuments lie within 10 km, including Standing Stone North of Tretower (8.2 km), Roman Fort at Pen y Gaer (8.2 km), Pen-y-gaer Roman Vicus, Cwmdu (8.3 km).

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