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Blackbrough Hill is a Iron Age fort situated in Roxburghshire, in the Scottish Borders. The site occupies a naturally commanding position, its defensive potential enhanced by the underlying geology of mafic volcanic rocks dating to the Devonian period. These hard extrusive rocks, composed of ancient lava flows and tuff, form the bedrock across the site and would have provided a stable foundation for construction.
The fort represents a significant settlement pattern from the Iron Age, when hillforts served as centres of authority, refuge, and communal gathering across much of Britain and beyond. Its location in Roxburghshire places it within a landscape rich in prehistoric activity, overlooking the valleys and communication routes of the Scottish Borders region. The elevated position would have afforded extensive views across the surrounding terrain, offering both practical advantages for defence and settlement.
The fort is protected as a scheduled monument by Historic Environment Scotland under reference SM2166, recognising its importance as a heritage asset. This scheduling ensures that the archaeological remains are safeguarded for future study and understanding of Iron Age settlement and social organisation in the Scottish Borders.
Blackbrough Hill,fort is a scheduled monument protected by Historic Environment Scotland under reference SM2166. View the official record →
Blackbrough Hill is a Iron Age fort situated in Roxburghshire, in the Scottish Borders. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM2166.
Blackbrough Hill,fort dates from the iron age period, and is classified as a fort. It is one of over 32,000 scheduled monuments protected across the UK.
Blackbrough Hill,fort is a Scheduled Ancient Monument, legally protected by Historic Environment Scotland — the body responsible for designating and safeguarding heritage sites in Scotland. The official designation reference is SM2166.
Several scheduled monuments lie within 10 km, including Dere Street,Roman road & earthworks,Tow Ford to Blackhall Hill (6.5 km), Blackhall Hill,cairns (6.6 km), Woden Law,fort & Roman siegeworks (6.6 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Blackbrough Hill,fort'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.
Blackbrough Hill,fort stands on Unnamed Extrusive Rocks, Silurian To Devonian, bedrock that formed in the Devonian. The rock here is mafic lava and mafic tuff.