Scheduled MonumentsWalesFort St Catherine
Post Medieval/Modern · Fort

Fort St Catherine

Pembrokeshire, Wales
Cadw SAM PE450
Period
Post Medieval/Modern
Site type
Fort
Broad class
Defence
Nation
Wales
The designation
Reference
Cadw SAM PE450
Authority
Cadw
Designated
1991-10-16
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Fort St Catherine is a nineteenth-century coastal defence fort located on the Pembrokeshire coast in Wales. Constructed during the period of Victorian military expansion and modernisation of Britain's defences, the fort represents the strategic importance placed upon protecting Welsh coastal waters from potential foreign naval threats during the nineteenth century. The fort exemplifies the design principles of Victorian-era military engineering, incorporating the characteristic features of contemporary coastal fortification architecture. As a scheduled ancient monument under the care of Cadw, the site preserves an important example of post-medieval military heritage in Pembrokeshire.

Fort St Catherine is a scheduled monument protected by Cadw under reference PE450. View the official record →

About this monument

Questions & answers

What is Fort St Catherine?

Fort St Catherine is a nineteenth-century coastal defence fort located on the Pembrokeshire coast in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference PE450.

What period does Fort St Catherine date from?

Fort St Catherine dates from the post medieval/modern period, and is classified as a fort. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Fort St Catherine?

Fort St Catherine 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 PE450.

What other scheduled monuments are near Fort St Catherine?

Several scheduled monuments lie within 10 km, including Black Rock Quarry Lime Kilns (1.7 km), The Watchtower (1.7 km), Sculptured Stone Cross in Church (2.4 km).

Unlimited access

Everything a full report reveals about Fort St Catherine

This page is just one thread. A full Aubrey report pulls together 13 strands of Fort St Catherine's history, each drawn from the record and mapped to the exact spot:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
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The ground beneath

The bedrock under Fort St Catherine

Fort St Catherine stands on Paleozoic sedimentary rocks, bedrock that formed in the Silurian. The rock here is sedimentary rocks.