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Dunrock is a rectangular enclosure of post-medieval date located near Carrickfergus in County Antrim. The site sits on bedrock composed of mafic lava and tuff of Palaeogene age, volcanic rocks that form part of the distinctive geological character of the Carrickfergus area. The enclosure's rectangular plan suggests it may have served as a fortification during the post-medieval period, though the precise date and purpose of the structure remain uncertain. Such rectilinear defensive works became increasingly common in Ireland during the sixteenth and seventeenth centuries as military engineering techniques evolved.
The monument occupies a strategic location within the broader landscape of Carrickfergus, a region long significant for defensive settlement. The underlying volcanic geology creates a rugged terrain that would have influenced both the siting and construction of any fortification. The rectangular form is characteristic of early modern European military design, adapted to local conditions and available resources. Dunrock is protected as a scheduled historic monument by the Historic Environment Division under reference 3318, recognising its value as evidence of post-medieval settlement and military activity in the Carrickfergus district.
Dunrock. rectangular enclosure is a scheduled monument protected by Department for Communities NI under reference 3318. View the official record →
Dunrock is a rectangular enclosure of post-medieval date located near Carrickfergus in County Antrim. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 3318.
Dunrock. rectangular enclosure dates from the post-med period, and is classified as a fortificationpossible. It is one of over 32,000 scheduled monuments protected across the UK.
Dunrock. rectangular enclosure 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 3318.
Several scheduled monuments lie within 10 km, including The mount. raised rath (2.7 km), Ring barrow (2.9 km), Ring barrow (3.1 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Dunrock. rectangular enclosure'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.
Dunrock. rectangular enclosure stands on Unnamed Extrusive Rocks, Palaeogene, bedrock that formed in the Paleogene. The rock here is mafic lava and mafic tuff.