UNCERTAIN · PROMONTORY FORT

Promontory fort

Magherafelt, Northern Ireland
NISMR MonID 12460
Period
UNCERTAIN
Site type
PROMONTORY FORT
Nation
Northern Ireland
The designation
Reference
NISMR MonID 12460
Authority
DfC Northern Ireland (NISMR)
Grid reference
H8277085760
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © DfC Northern Ireland (NISMR)

Overview

History & significance

Magherafelt Promontory Fort is an uncertain promontory fort situated in County Londonderry, Northern Ireland. The monument stands on bedrock formed during the Silurian period, comprising an unnamed igneous intrusion of felsic composition, which creates a natural topographical advantage for defensive purposes. The site is protected by the Historic Environment Division under reference number 12460.

Promontory forts of this type typically date to the Iron Age or early medieval period and exploit natural landscape features to minimize defensive requirements. The felsic igneous bedrock underlying this location would have provided a hard, resistant foundation capable of supporting structural remains and offering natural elevation suitable for fortification. The uncertain classification reflects the current state of archaeological understanding at this specific site.

The monument's survival and protection acknowledge its potential archaeological and historical significance within the landscape of County Londonderry. Further investigation may clarify the site's chronology and cultural context, revealing the nature and scale of any occupation or defensive structures that may have existed on the promontory.

Promontory fort is a scheduled monument protected by Department for Communities NI under reference 12460. View the official record →

About this monument

Questions & answers

What is Promontory fort?

Magherafelt Promontory Fort is an uncertain promontory fort situated in County Londonderry, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 12460.

What period does Promontory fort date from?

Promontory fort dates from the uncertain period, and is classified as a promontory fort. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Promontory fort?

Promontory fort is a Scheduled Ancient Monument, legally protected by DfC Northern Ireland (NISMR) — the body responsible for designating and safeguarding heritage sites in Ni. The official designation reference is 12460.

What other scheduled monuments are near Promontory fort?

Several scheduled monuments lie within 10 km, including Counterscarp rath (1.6 km), Rath (1.8 km), Rath (4.3 km).

Unlimited access

Everything a full report reveals about Promontory fort

This page is just one thread. A full Aubrey report pulls together 14 strands of Promontory fort'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 World
Ireland was never conquered by Rome, so this traces the island's Iron Age kingdoms and its contact with the Roman world.
Historic Records
The 19th-century records of this place: valuations, Ordnance Survey memoirs and topographical accounts.
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 Promontory fort

Promontory fort stands on Unnamed Igneous Intrusion, Ordovician To Silurian, bedrock that formed in the Silurian. The rock here is felsic-rock.