© Mapbox · © OpenStreetMap contributors · Boundary data © Historic Environment Scotland
Mainshill is a Iron Age fort located in East Lothian, Scotland, situated approximately 450 metres north-north-east of the main settlement. The fort occupies a naturally defensible position on bedrock composed of felsic lava and tuff of Dinantian age, formed during the Mississippian period when volcanic activity dominated this region. This geological foundation provided a stable base for construction and would have offered additional natural strength to the fortification's defences.
The fort represents a significant archaeological resource from the Iron Age period and exemplifies the settlement patterns of communities inhabiting eastern Scotland during this era. Its position within the East Lothian landscape reflects strategic choices made by Iron Age inhabitants regarding defensive placement and access to surrounding resources.
The site is protected by Historic Environment Scotland under the reference SM8774, recognising its importance to Scotland's archaeological heritage. This legal protection ensures that the fort remains preserved for future study and understanding of Iron Age settlement and fortification practices in lowland Scotland.
Mainshill, fort 450m NNE of is a scheduled monument protected by Historic Environment Scotland under reference SM8774. View the official record →
Mainshill is a Iron Age fort located in East Lothian, Scotland, situated approximately 450 metres north-north-east of the main settlement. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM8774.
Mainshill, fort 450m NNE 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.
Mainshill, fort 450m NNE 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 SM8774.
Several scheduled monuments lie within 10 km, including Park,fort 800m SE of (7.2 km), Park,fort 900m SSE of (7.5 km), Quarryford House,enclosures,souterrain and pit alignment SW of (7.5 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Mainshill, fort 450m NNE 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.
Mainshill, fort 450m NNE of stands on Unnamed Extrusive Rocks, Dinantian, bedrock that formed in the Mississippian. The rock here is felsic lava and felsic tuff.