© Mapbox · © OpenStreetMap contributors · Boundary data © Historic Environment Scotland
Thorn is a Iron Age fort located in Perthshire, Scotland. The fort occupies a defensible position on bedrock composed of mafic lava and tuff of Silurian to Devonian age, dark volcanic stone that would have provided a naturally strong foundation for settlement. The site is situated approximately 70 metres north-east of the place name Thorn, and is protected as a scheduled monument by Historic Environment Scotland under reference SM9367.
Iron Age fortified settlements in Perthshire commonly exploited elevated or naturally defensible ground, and the volcanic geology here would have offered both stability and strategic advantage for a community seeking to control the surrounding landscape. The composition of the bedrock—mafic igneous material erupted during the Devonian period—reflects the complex geological history of eastern Scotland and would have presented particular conditions for construction and settlement activity.
The fort remains an important archaeological record of Iron Age occupation in Perthshire, documenting the pattern of defended settlements that characterised the region during the final pre-Roman centuries. Its preservation as a scheduled monument ensures the protection of deposits and structures that may yet yield evidence of the daily life, economic practices and social organisation of its inhabitants.
Thorn, fort 70m NE of is a scheduled monument protected by Historic Environment Scotland under reference SM9367. View the official record →
Thorn is a Iron Age fort located in Perthshire, Scotland. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM9367.
Thorn, fort 70m NE of 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.
Thorn, fort 70m NE of 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 SM9367.
Several scheduled monuments lie within 10 km, including Lochie, enclosure 350m SE of (0.6 km), Ogle Hill,fort (1 km), Ben Effray,fort (1.9 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Thorn, fort 70m NE of'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.
Thorn, fort 70m NE of stands on Unnamed Extrusive Rocks, Silurian To Devonian, bedrock that formed in the Devonian. The rock here is mafic lava and mafic tuff.