page_title: Antonine Wall
section_title: Location and construction
hierarchical_section_title: Antonine Wall / Location and construction
caption_attribution_description: English: Antonine wall at Barr Hill near Twechar.
context_page_description: The Antonine Wall, known to the Romans as Vallum Antonini, was a turf fortification on stone foundations, built by the Romans across what is now the Central Belt of Scotland, between the Firth of Forth and the Firth of Clyde. Representing the northernmost frontier barrier of the Roman Empire, it spanned approximately 63 kilometres and was about 3 metres high and 5 metres wide. Lidar scans have been carried out to establish the length of the wall and the Roman distance units used. Security was bolstered by a deep ditch on the northern side. It is thought that there was a wooden palisade on top of the turf. The barrier was the second of two "great walls" created by the Romans in Great Britain. Its ruins are less evident than those of the better-known Hadrian's Wall to the south, primarily because the turf and wood wall has largely weathered away, unlike its stone-built southern predecessor.
  Construction began in AD 142 at the order of Roman Emperor Antoninus Pius, and took about 12 years to complete. Antoninus Pius never visited Britain, whereas his predecessor Hadrian had done so. Pressure from the Caledonians may have led Antoninus to send the empire's troops further north.
context_section_description: Roman Emperor Antoninus Pius ordered the construction of the Antonine Wall around 142. Quintus Lollius Urbicus, governor of Roman Britain at the time, initially supervised the effort, which took about twelve years to complete. The wall stretches 63 kilometres (39 miles) from Old Kilpatrick in West Dunbartonshire on the Firth of Clyde to Carriden near Bo'ness on the Firth of Forth. The wall was intended to extend Roman territory and dominance by replacing Hadrian's Wall 160 kilometres (100 miles) to the south, as the frontier of Britannia. But while the Romans did establish many forts and temporary camps further north of the Antonine Wall in order to protect their routes to the north of Scotland, they did not conquer the Caledonians, and the Antonine Wall suffered many attacks. The Romans called the land north of the wall Caledonia, though in some contexts the term may refer to the whole area north of Hadrian's Wall. The land north of the Antonine Wall also ended up becoming the part of Scotland known as Albany.
  The Antonine Wall was shorter than Hadrian's Wall and built of turf on a stone foundation, but it was still an impressive achievement. It was also a simpler fortification than Hadrian's Wall insofar as it did not have a subsidiary ditch system behind it to the south, as Hadrian's Wall did with its Vallum. The stone foundations and wing walls of the original forts on the Antonine Wall demonstrate that the original plan was to build a stone wall similar to Hadrian's Wall, but this was quickly amended. As built, the wall was typically a bank, about four metres (13 feet) high, made of layered turves and occasionally earth with a wide ditch on the north side, and a military way on the south. The Romans initially planned to build forts every 10 kilometres (6 miles), but this was soon revised to every 3.3 kilometres (2 miles), resulting in a total of nineteen forts along the wall. The best preserved but also one of the smallest forts is Rough Castle Fort. In addition to the forts, there are at least 9 smaller fortlets, very likely on Roman mile spacings, which formed part of the original scheme, some of which were later replaced by forts. The most visible fortlet is Kinneil, at the eastern end of the Wall, near Bo'ness.
  There was once a remarkable Roman structure within sight of the Antonine Wall at Stenhousemuir. This was Arthur's O'on, a circular stone domed monument or rotunda, which may have been a temple, or a tropaeum, a victory monument. It was demolished for its stone in 1743, though a replica exists at Penicuik House.
  In addition to the line of the Wall itself there are a number of coastal forts both in the East (e.g. Inveresk) and West (Outerwards and Lurg Moor), which should be considered as outposts and/or supply bases to the Wall itself. In addition a number of forts farther north were brought back into service in the Gask Ridge area, including Ardoch, Strageath, Bertha (Perth) and probably Dalginross and Cargill.
  Recent research by Glasgow University has shown that the distance stones, stone sculptures unique to the Antonine Wall which were embedded in the wall to mark the lengths built by each legion, were brightly painted unlike their present bare appearance. These stones are preserved in the University's museum and are said to be the best-preserved examples of statuary from any Roman frontier. Several of the slabs have been analysed by various techniques including portable X-ray fluorescence (pXRF). Tiny remnants of paint have been detected by surface-enhanced Raman spectroscopy (SERS). Several of the distance slabs have been scanned and 3-D videos produced. There are plans to reproduce the slabs, both digitally and in real physical copies, with their authentic colours. A copy of the Bridgeness Slab has already been made and can be found in Bo'ness. It is also expected that lottery funding will allow replicas of distance markers to be placed along the length of the wall.
caption: The Antonine Wall, looking east, from Bar Hill between Twechar and Croy
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