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Dunwan Hill is a fortified settlement of the Iron Age, situated in Renfrewshire, Scotland. The fort exploits the natural defensive properties of its location, built upon bedrock composed of Dinantian felsic lava and tuff—hard volcanic rocks formed during the Mississippian period. This geological foundation would have provided a naturally elevated and resistant platform for settlement, contributing to the site's strategic value as a stronghold.
Iron Age forts of this type typically served as defended residences or communal gathering places for local populations, and Dunwan Hill's position within Renfrewshire places it within a landscape of considerable archaeological significance. The volcanic geology of the bedrock is characteristic of the Carboniferous geology of central Scotland, which shaped settlement patterns throughout this region during the Iron Age.
The site is designated as a scheduled monument under Historic Environment Scotland's protection (reference SM12882), recognising its importance as evidence of Iron Age settlement and social organisation in western Scotland. The fort remains a tangible link to the pre-Roman Iron Age communities who occupied this part of Renfrewshire.
Dunwan Hill, fort is a scheduled monument protected by Historic Environment Scotland under reference SM12882. View the official record →
Dunwan Hill is a fortified settlement of the Iron Age, situated in Renfrewshire, Scotland. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM12882.
Dunwan 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.
Dunwan 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 SM12882.
Several scheduled monuments lie within 10 km, including North Kirktonmoor,cairn 330m SW of (2.5 km), East Revoch, cairn 420m N of and cup-marked stone 485m N of (2.7 km), Polnoon Castle (4.5 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Dunwan 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.
Dunwan Hill, fort stands on Unnamed Extrusive Rocks, Dinantian, bedrock that formed in the Mississippian. The rock here is felsic lava and felsic tuff.