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Derry Mound is a rectangular platform monument of uncertain origin, situated in County Londonderry in Northern Ireland. The site rests upon bedrock belonging to the Argyll Group, a Neoproterozoic formation composed of marble and meta-limestone, which gives the surrounding landscape its distinctive geological character. This ancient substrate, formed hundreds of millions of years before human settlement, would have influenced both the monument's construction and its durability.
The precise function and date of the platform remain unclear, reflecting the challenges in interpreting monuments of ambiguous archaeological character in this region. It may represent a prehistoric ritual or ceremonial site, a medieval fortified position, or an agricultural feature, though the evidence does not yet permit definitive classification. The rectangular form suggests purposeful construction rather than a natural landform.
The monument is protected by the Historic Environment Division under statutory reference 12539, ensuring its preservation for future study. Located at grid reference C528 3006 410, the site remains an important element of the archaeological landscape around Derry, where further investigation might eventually clarify its historical significance and cultural context.
Mound-rectangular platform is a scheduled monument protected by Department for Communities NI under reference 12539. View the official record →
Derry Mound is a rectangular platform monument of uncertain origin, situated in County Londonderry in Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 12539.
Mound-rectangular platform dates from the uncertain period, and is classified as a mound. It is one of over 32,000 scheduled monuments protected across the UK.
Mound-rectangular platform 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 12539.
Several scheduled monuments lie within 10 km, including Cross (4.6 km), Wedge tomb (5.2 km), Rath (5.6 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Mound-rectangular platform'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.
Mound-rectangular platform stands on Argyll Group, bedrock that formed in the Neoproterozoic. The rock here is marble, meta-limestone.