Scheduled MonumentsWalesSummerhouse Camp
Prehistoric · Hillfort

Summerhouse Camp

Wales
Cadw SAM GM032
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Summerhouse Camp is a prehistoric hillfort situated in Wales and protected by Cadw under reference GM032. The monument occupies land underlain by Mesozoic sedimentary rocks formed during the Late Triassic period, geological foundations that have shaped the character of this landscape for over 200 million years. Like other hillforts of Iron Age Wales, Summerhouse Camp would have served as a defended settlement and focal point for the surrounding community, its position commanding views across the surrounding terrain.

The earthwork defences typical of such monuments—comprising banks and ditches—exploit the natural topography of the site to create an imposing stronghold. The underlying bedrock of sedimentary material would have influenced both the construction techniques employed and the drainage characteristics of the enclosed area, practical considerations that prehistoric builders understood intimately from generations of experience working with local geology.

Today Summerhouse Camp remains a significant archaeological monument, its survival enabling study of prehistoric settlement patterns and defensive architecture in Wales. The site's statutory protection recognises its importance as evidence of Iron Age social organisation and the enduring significance of hillforts within the Welsh landscape and cultural heritage.

Summerhouse Camp is a scheduled monument protected by Cadw under reference GM032. View the official record →

About this monument

Questions & answers

What is Summerhouse Camp?

Summerhouse Camp is a prehistoric hillfort situated in Wales and protected by Cadw under reference GM032.

What period does Summerhouse Camp date from?

Summerhouse Camp 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 Summerhouse Camp?

Summerhouse Camp 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 GM032.

What other scheduled monuments are near Summerhouse Camp?

Several scheduled monuments lie within 10 km, including West Orchard Manor House (2.1 km), Boverton Place (2.2 km), Limpert Bay Anti-invasion Defences (2.3 km).

Unlimited access

Everything a full report reveals about Summerhouse Camp

This page is just one thread. A full Aubrey report pulls together 13 strands of Summerhouse Camp'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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Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

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The ground beneath

The bedrock under Summerhouse Camp

Summerhouse Camp stands on Mesozoic sedimentary rocks, bedrock that formed in the Late Triassic. The rock here is sedimentary rocks.

The wider landscape

Around Summerhouse Camp

Caerphilly CastleArchaeological site · ~16.2 miles