Scheduled MonumentsWalesCastell Gwyn
Prehistoric · Hillfort

Castell Gwyn

Pembrokeshire, Wales
Cadw SAM PE225
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Castell Gwyn is a prehistoric hillfort located in Pembrokeshire, Wales, designated as a Scheduled Ancient Monument under Cadw reference PE225. The monument comprises an Iron Age defensive structure characterised by substantial earthworks, including ramparts and ditches that encircle the hilltop position, typical of fortified settlements from this period. The site's strategic location afforded commanding views of the surrounding landscape, suggesting its function as both a defensive stronghold and a centre of settlement for the Iron Age community occupying the region. The physical remains continue to represent an important archaeological resource for understanding Iron Age settlement patterns and defensive strategies in southwest Wales.

Castell Gwyn is a scheduled monument protected by Cadw under reference PE225. View the official record →

About this monument

Questions & answers

What is Castell Gwyn?

Castell Gwyn is a prehistoric hillfort located in Pembrokeshire, Wales, designated as a Scheduled Ancient Monument under Cadw reference PE225. It is designated a Scheduled Ancient Monument by Cadw under reference PE225.

What period does Castell Gwyn date from?

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

Who is responsible for protecting Castell Gwyn?

Castell Gwyn 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 PE225.

What other scheduled monuments are near Castell Gwyn?

Several scheduled monuments lie within 10 km, including Narberth Castle (7.3 km), Clyn Pattel Motte & Bailey (7.8 km), Iron Age Hillslope Enclosure in Canaston Wood (7.9 km).

Aubrey Research

Generate a full report for this location

Aubrey generates in-depth historical research for any address in the UK — drawing on scheduled monument data, Domesday records, Roman heritage, PAS finds and medieval history to reveal the complete story of a landscape.

Research the area around Castell Gwyn