Scheduled MonumentsNorthern IrelandDerryCromlechs. stone circle, alignment & megalithic tombs
PREHISTORIC · MEGALITHIC COMPLEX

Cromlechs. stone circle, alignment & megalithic tombs

Derry, Northern Ireland
NISMR MonID 12181
Period
PREHISTORIC
Site type
MEGALITHIC COMPLEX
Nation
Northern Ireland
The designation
Reference
NISMR MonID 12181
Authority
DfC Northern Ireland (NISMR)
Grid reference
C5769411791
Boundary

Scheduled area

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

Overview

History & significance

Cromlechs is a prehistoric megalithic complex in County Derry comprising a stone circle, linear alignment and several megalithic tombs. The site lies on bedrock of the Southern Highland Group, formed during the Middle Cambrian period, comprising alternating layers of psammite and pelite that have weathered to create the stony moorland landscape characteristic of this part of Northern Ireland. The monument is protected by the Historic Environment Division under reference 12181.

The complex demonstrates the ritual and funerary practices of Neolithic and Bronze Age communities who occupied this upland terrain. The stone circle and aligned stones served ceremonial purposes within prehistoric society, whilst the megalithic tombs functioned as communal burial monuments, their construction requiring significant communal labour and organisational skill. Such complexes typically developed over many centuries, with different structural elements added or modified as cultural practices evolved.

The survival of Cromlechs as a coherent megalithic landscape reflects the enduring quality of stone construction and the site's relative isolation on upland terrain. The monument contributes to understanding of prehistoric settlement patterns and ritual activity across the north of Ireland, where such complexes represent some of the earliest substantial structures erected by human communities.

Cromlechs. stone circle, alignment & megalithic tombs is a scheduled monument protected by Department for Communities NI under reference 12181. View the official record →

About this monument

Questions & answers

What is Cromlechs. stone circle, alignment & megalithic tombs?

Cromlechs is a prehistoric megalithic complex in County Derry comprising a stone circle, linear alignment and several megalithic tombs. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 12181.

What period does Cromlechs. stone circle, alignment & megalithic tombs date from?

Cromlechs. stone circle, alignment & megalithic tombs dates from the prehistoric period, and is classified as a megalithic complex. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Cromlechs. stone circle, alignment & megalithic tombs?

Cromlechs. stone circle, alignment & megalithic tombs 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 12181.

What other scheduled monuments are near Cromlechs. stone circle, alignment & megalithic tombs?

Several scheduled monuments lie within 10 km, including Standing stone (8.3 km), Rath (8.5 km), Rath (8.8 km).

Unlimited access

Everything a full report reveals about Cromlechs. stone circle, alignment & megalithic tombs

This page is just one thread. A full Aubrey report pulls together 14 strands of Cromlechs. stone circle, alignment & megalithic tombs'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 Cromlechs. stone circle, alignment & megalithic tombs

Cromlechs. stone circle, alignment & megalithic tombs stands on Southern Highland Group, bedrock that formed in the Middle Cambrian. The rock here is psammite and pelite.