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Doonmore fort is a medieval fortified outcrop located in the Moyle district of Northern Ireland. The monument rises from bedrock of Palaeogene mafic igneous origin, forming a naturally defensible position. Its structure suggests characteristics of a motte and bailey earthwork, though adapted to the rocky terrain of this igneous outcrop rather than constructed from earth alone. The hard basaltic bedrock would have required significant effort to modify, yet its height and steep sides provided substantial defensive advantages.
Medieval fortifications of this type served both military and administrative functions, commanding surrounding territory and controlling local movement. The outcrop's geological prominence made it an ideal choice for settlement, offering natural protection that complemented any constructed defences. Doonmore represents a practical adaptation of Norman-influenced fortification methods to the particular landscape of the Moyle region.
The fort is protected as a scheduled monument under Historic Environment Division reference 399. Its survival as a discrete earthwork provides evidence of medieval territorial organisation and the strategic value placed on elevated, naturally strong positions in this part of Northern Ireland during the medieval period.
Doonmore fort. fortified outcrop, possibly motte and bailey is a scheduled monument protected by Department for Communities NI under reference 399. View the official record →
Doonmore fort is a medieval fortified outcrop located in the Moyle district of Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 399.
Doonmore fort. fortified outcrop, possibly motte and bailey dates from the medieval period, and is classified as a fortified outcrop. It is one of over 32,000 scheduled monuments protected across the UK.
Doonmore fort. fortified outcrop, possibly motte and bailey 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 399.
Several scheduled monuments lie within 10 km, including Mound, possibly cist cairn (4.5 km), Court tomb (6.3 km), Cloughananca (2). portal tomb (6.3 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Doonmore fort. fortified outcrop, possibly motte and bailey's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Doonmore fort. fortified outcrop, possibly motte and bailey stands on Unnamed Igneous Intrusion, Palaeogene, bedrock that formed in the Paleogene. The rock here is mafic igneous-rock.