E.CHRIST. · CRANNOG

Crannog

Fermanagh, Northern Ireland
NISMR MonID 10254
Period
E.CHRIST.
Site type
CRANNOG
Nation
Northern Ireland
The designation
Reference
NISMR MonID 10254
Authority
DfC Northern Ireland (NISMR)
Grid reference
H3240043090
Boundary

Scheduled area

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

Overview

History & significance

Crannog (reference 10254) is a early Christian artificial island settlement located in Fermanagh, Northern Ireland. The site lies upon bedrock of the Tyrone Group, a Visean-age sequence of limestone, mudstone, sandstone and siltstone interspersed with chert, coal and conglomerate. This underlying geology has shaped the immediate landscape and the availability of materials for construction and use.

Early Christian crannogs were constructed by building timber frameworks and piling materials onto shallow lake or wetland beds, creating habitable islands. Such sites typically served as secure residential or monastic settlements, raised above surrounding water to provide natural defence and isolation. The Fermanagh location places this crannog within a landscape historically rich in water bodies, making it an ideal position for this type of settlement.

The monument is protected by the Historic Environment Division as a significant archaeological resource. Early Christian crannogs, broadly dated from around the 6th century onwards, provide evidence of settlement patterns, construction techniques and daily life during a formative period of Irish Christian history. This example contributes to understanding how communities adapted their environment and chose defensible locations for long-term habitation.

Crannog is a scheduled monument protected by Department for Communities NI under reference 10254. View the official record →

About this monument

Questions & answers

What is Crannog?

Crannog (reference 10254) is a early Christian artificial island settlement located in Fermanagh, Northern Ireland.

What period does Crannog date from?

Crannog dates from the e.christ. period, and is classified as a crannog. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Crannog?

Crannog 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 10254.

What other scheduled monuments are near Crannog?

Several scheduled monuments lie within 10 km, including Two burnt mounds/ cooking places (fulachta fiadh) (6.7 km), Platform rath (6.8 km), Lisnagole. platform rath (7 km).

Unlimited access

Everything a full report reveals about Crannog

This page is just one thread. A full Aubrey report pulls together 14 strands of Crannog'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.
First month just £4.99, then £9.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Crannog report
Or see a real report first
The ground beneath

The bedrock under Crannog

Crannog stands on Tyrone Group, bedrock that formed in the Visean. The rock here is limestone, mudstone, sandstone and siltstone, with subordinate chert, coal and conglomerate.