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Antonine Wall, B802 to N of Cuilmuir View, Croy is a turf and stone fortification built across central Scotland during the 2nd century AD. Constructed under the Roman Emperor Antoninus Pius, it formed the northern frontier of the Roman Empire and stretched for approximately 37 miles from the Firth of Clyde to the Firth of Forth. This section near Croy in Dunbartonshire represents one of the best-preserved segments of the wall's course through the lowlands.
At this location, the Roman engineers built the wall upon bedrock comprising Permian igneous intrusions of dolerite and tholeiitic basalt. The substantial stone foundations provided a stable base for the turf superstructure, which originally stood considerably higher than the footings visible today. The underlying geology created natural advantages for construction, with the hard volcanic rock offering both structural support and quarriable material for the wall's stone core.
The monument survives as a prominent earthwork running across the landscape, retaining sufficient height to be clearly visible as a linear feature. It remains protected by Historic Environment Scotland, recognising its significance as part of one of the Roman world's most important northern frontier systems. The wall's presence here demonstrates how Roman military architecture adapted to local geological conditions whilst maintaining the standardised design principles applied across the entire frontier.
Antonine Wall, B802 to N of Cuilmuir View, Croy is a scheduled monument protected by Historic Environment Scotland under reference SM7639. View the official record →
Antonine Wall, B802 to N of Cuilmuir View, Croy is a turf and stone fortification built across central Scotland during the 2nd century AD. It is designated a Scheduled Ancient Monument by Historic Environment Scotland under reference SM7639.
Antonine Wall, B802 to N of Cuilmuir View, Croy 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 SM7639.
Several scheduled monuments lie within 10 km, including Antonine Wall, Girnal Hill to B802 road, Croy (0.3 km), Antonine Wall, E edge of Strone Plantation to Girnal Hill (0.7 km), Antonine Wall, Bar Hill, rampart, ditch, fort and Military Way (1.5 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Antonine Wall, B802 to N of Cuilmuir View, Croy'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.
Antonine Wall, B802 to N of Cuilmuir View, Croy stands on Unnamed Igneous Intrusion, Carboniferous To Permian, bedrock that formed in the Permian. The rock here is dolerite and tholeiitic basalt.