Scheduled MonumentsScotlandAuld Hill,fort,Portencross
Iron Age · Fort,portencross

Auld Hill,fort,Portencross

Scotland
HES SM2175
Period
Iron Age
Site type
Fort,portencross
Nation
Scotland
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Historic Environment Scotland

Overview

History & significance

Auld Hill is a fort located on the Ayrshire coast near Portencross in south-western Scotland. The site is protected as a scheduled monument by Historic Environment Scotland. The fort is constructed upon bedrock belonging to the Arbuthnott-Garvock Group, a geological formation of Pragian age comprising sandstone with subordinate layers of conglomerate, siltstone and mudstone that provides the underlying foundation for this promontory location.

The fort dates to the Iron Age and represents one of a series of fortified settlements constructed during this period along the Scottish coast. Its position near Portencross would have provided commanding views across the Firth of Clyde and access to maritime resources. The geological substrate of sandstone and associated sedimentary rocks would have influenced both the construction methods available to Iron Age builders and the defensive qualities of the site itself.

Today Auld Hill remains an important archaeological monument illustrating Iron Age settlement patterns in the west of Scotland. Its coastal location and fortified status suggest a community with strategic interest in controlling access to maritime routes during the first millennium before the Common Era.

Auld Hill,fort,Portencross is a scheduled monument protected by Historic Environment Scotland under reference SM2175. View the official record →

About this monument

Questions & answers

What is Auld Hill,fort,Portencross?

Auld Hill is a fort located on the Ayrshire coast near Portencross in south-western Scotland. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM2175.

What period does Auld Hill,fort,Portencross date from?

Auld Hill,fort,Portencross dates from the iron age period, and is classified as a fort,portencross. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Auld Hill,fort,Portencross?

Auld Hill,fort,Portencross 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 SM2175.

What other scheduled monuments are near Auld Hill,fort,Portencross?

Several scheduled monuments lie within 10 km, including Portencross Castle (0.3 km), Castle Knowe,motte (3 km), Bushglen Mount,ENE of Bushglen (3.4 km).

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Everything a full report reveals about Auld Hill,fort,Portencross

This page is just one thread. A full Aubrey report pulls together 14 strands of Auld Hill,fort,Portencross's history, each drawn from the record and mapped to the exact spot:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Stat Accounts
The parish Statistical Accounts of the 1790s and 1830s, describing life, work and population here.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
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The ground beneath

The bedrock under Auld Hill,fort,Portencross

Auld Hill,fort,Portencross stands on Arbuthnott-Garvock Group, bedrock that formed in the Pragian. The rock here is sandstone with subordinate conglomerate, siltstone and mudstone.