Hadrian's Wall | |
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![]() The location of Hadrian's Wall in what is now northern England, and the later Antonine Wall in what is now the Central Belt of Scotland | |
Location | Northern England |
Coordinates | 55°01′27″N2°17′33″W / 55.02417°N 2.29250°W Coordinates: 55°01′27″N2°17′33″W / 55.02417°N 2.29250°W |
Length | 73 miles (117 km) |
Built | 122 AD |
Built for | Hadrian |
Visitors | 100,000+ annually |
Governing body | Historic England |
Owner | Various private and public ownerships |
Criteria | ii, iii, iv |
Designated | 1987 (11th session) |
Part of | Frontiers of the Roman Empire |
Reference no. | 430 |
Region | Europe and North America |
Hadrian's Wall (Latin : Vallum Aelium), also known as the Roman Wall, Picts' Wall, or Vallum Hadriani in Latin, is a former defensive fortification of the Roman province of Britannia, begun in AD 122 in the reign of the Emperor Hadrian. [1] Running from Wallsend on the River Tyne in the east to Bowness-on-Solway in the west of what is now northern England, it was a stone wall with large ditches in front of it and behind it that crossed the whole width of the island. Soldiers were garrisoned along the line of the wall in large forts, smaller milecastles and intervening turrets. [2] In addition to the wall's defensive military role, its gates may have been customs posts. [3]
Hadrian's Wall Path generally runs very close to the Wall. Almost all of the standing masonry of the Wall was removed in early modern times and used for local roads and farmhouses, [4] but walkers can see much of the footings and a few partially-rebuilt segments. Many of the excavated forts on or near the Wall are open to the public, and various nearby museums present its history. [5] The largest Roman archaeological feature in Britain, it runs a total of 73 miles (117.5 kilometres) in northern England. [6] Regarded as a British cultural icon, Hadrian's Wall is one of Britain's major ancient tourist attractions. [7] It was designated as a UNESCO World Heritage Site in 1987. [8] The turf-built Antonine Wall in what is now central Scotland, which briefly superseded Hadrian's Wall before being abandoned, [9] was declared a World Heritage Site in 2008. [10] [11]
Hadrian's Wall marked the boundary between Roman Britannia and unconquered Caledonia to the north. [lower-alpha 1] The wall lies entirely within England and has never formed the Anglo-Scottish border, though it is often loosely or colloquially described as being such. [12] [13] [14]
The length of the wall was 80 Roman miles (a unit of length equivalent to about 1,620 yards or 1,480 metres), or 73 modern miles (117 kilometres). [15] This covered the entire width of the island, from Wallsend on the River Tyne in the east to Bowness-on-Solway in the west. [2]
Not long after construction began on the wall, its width was reduced from the originally planned 10 feet (3.0 m) to about 8 feet (2.4 m), or even less depending on the terrain. [2] As some areas were constructed of turf and timber, it would take decades for certain areas to be modified and replaced by stone. [2]
Bede, a medieval historian, wrote that the wall stood 12 feet (3.7 metres) high, with evidence suggesting it could have been a few feet higher at its formation. [2]
R. S. O. Tomlin argues that along the miles-long wall there would have been a tower every third of a mile, adding more to the dimensions of the structure, as evident by the plentiful remains of the turrets. [16]
Hadrian's Wall extended west from Segedunum at Wallsend on the River Tyne, via Carlisle and Kirkandrews-on-Eden, to the shore of the Solway Firth, ending a short but unknown distance west of the village of Bowness-on-Solway. [17] The route was slightly north of Stanegate , an important Roman road built several decades earlier to link two forts that guarded important river crossings: Corstopitum (Corbridge) on the River Tyne and Luguvalium (Carlisle) on the River Eden. The modern A69 and B6318 roads follow the course of the wall from Newcastle upon Tyne to Carlisle, then along the northern coast of Cumbria (south shore of the Solway Firth).
Part of the central section of the wall follows natural cliffs on an escarpment of the Whin Sill rock formation.
Although the curtain wall ends near Bowness-on-Solway, this does not mark the end of the line of defensive structures. The system of milecastles and turrets is known to have continued along the Cumbria coast as far as Risehow, south of Maryport. [18] For classification purposes, the milecastles west of Bowness-on-Solway are referred to as Milefortlets.
Hadrian's Wall was probably planned before Hadrian's visit to Britain in 122. According to restored sandstone fragments found in Jarrow which date from 118 or 119, it was Hadrian's wish to keep "intact the empire", which had been imposed on him via "divine instruction". [19] On Hadrian's accession to the imperial throne in 117, there was unrest and rebellion in Roman Britain and from the peoples of various conquered lands across the Empire, including Egypt, Judea, Libya and Mauretania. [19] These troubles may have influenced his plan to construct the wall, as well as his construction of frontier boundaries now known as limes in other areas of the Empire, such as the Limes Germanicus in modern-day Germany.
Scholars disagree over how much of a threat the inhabitants of northern Britain really presented to the Romans, and whether there was any economic advantage in defending and garrisoning a fixed line of defences like the wall, rather than conquering and annexing what has become Northumberland and the Scottish Lowlands and then defending the territory with a looser arrangement of forts. [19] Hadrian and his advisers however produced a solution to their problems that remained relevant for centuries.
The primary purpose of the Wall was as a physical barrier to slow the crossing of raiders, people intent on crossing its line for animals, treasure, or slaves, and then returning with their loot. [2] The Historia Augusta states that Hadrian was the first to build a wall 80 miles (130 km) from sea to sea to separate the barbarians from the Romans. [2] Not only the wall itself supports this interpretation; pits known as cippi are frequently found on the berm or flat area in front of the wall. [20] These pits held branches or small tree trunks entangled with sharpened branches. [2] These would make an attack on the Wall even more difficult. It might be thought of as the Roman equivalent of barbed wire, a measure to delay an enemy attack and hold the attackers within range of the missiles of the defenders. The curtain wall was not mainly a continuously-embattled defensive line, rather it would deter casual crossing and be an observation point that could alert Romans of an incoming attack and slow down enemy forces so that additional troops could arrive for support. [2]
Besides a defensive structure made to keep people out, the wall also kept people within the Roman province. [2] Movement would be channeled through the gates in the Wall, where it could be monitored for information, prevented or permitted as appropriate, and taxed. [2]
The wall would also have had a psychological impact:
For nearly three centuries, until the end of Roman rule in Britain in 410 AD, Hadrian's Wall was the clearest statement of the might, resourcefulness, and determination of an individual emperor and of his empire.
[2] It was not only a defensive structure, but also a symbolic statement of Rome's imperial power, marking the border between the so called civilized world and the unconquered barbarian wilderness. As the British archaeologist Neil Faulkner explains, "the wall, like other great Roman frontier monuments was as much a propaganda statement as a functional facility". [21] There is some evidence that Hadrian's Wall was originally covered in plaster and then whitewashed: its shining surface would have reflected the sunlight and been visible for miles around. [19]
Hadrian ended his predecessor Trajan's policy of expanding the empire and instead focused on defending the current borders, namely at the time Britain. [2] Like Augustus, Hadrian believed in exploiting natural boundaries such as rivers for the borders of the empire, for example the Euphrates, Rhine and Danube. [2] Britain, however, did not have any natural boundaries that could serve this purpose – to divide the province controlled by the Romans from the Celtic tribes in the north. [2]
With construction starting in 122, [22] the entire length of the wall was built with an alternating series of forts, each housing 600 men, and manned milecastles, operated by "between 12 and 20 men". [2]
It took six years to build most of Hadrian's Wall with the work coming from three Roman legions – the Legio II Augusta, Legio VI Victrix, and Legio XX Valeria Victrix, totalling 15,000 soldiers, plus some members of the Roman fleet. [2] The building of the wall was not out of the area of expertise for the soldiers; some would have trained to be surveyors, engineers, masons, and carpenters. [2]
R. G. Collingwood cited evidence for the existence of a broad section of the wall and conversely a narrow section. [23] He argued that plans changed during construction of the wall and its overall width was reduced. [23]
Broad sections of the wall are around nine and a half feet (2.9 metres) wide with the narrow sections two feet (61 centimetres) thinner, around seven and a half feet (2.3 metres) wide. [23] Some of the narrow sections were found to be built upon broad foundations, which had presumably been built before the plans changed. [23] Based on this evidence, Collingwood concluded that the wall was originally due to be built between present-day Newcastle and Bowness, with a uniform width of ten Roman feet, all in stone. [23] In the end, only three-fifths of it was built from stone and the remaining part in the west was a turf wall, later rebuilt in stone. [23] Plans possibly changed due to a lack of resources. [23]
In an effort to preserve resources further, the eastern half's width was therefore reduced from the original ten Roman feet to eight, with the remaining stones from the eastern half used for around 5 miles (8.0 kilometres) of the turf wall in the west. [23] [16] This reduction from the original ten Roman feet to eight created the so-called "Narrow Wall". [16]
Just south of the wall there is a ten-foot (3-metre) deep, ditch-like construction with two parallel mounds running north and south of it, known as the Vallum. [23] The Vallum and the wall run more or less in parallel for almost the entire length of the wall, except between the forts of Newcastle and Wallsend at the east end, where the Vallum may have been considered superfluous as a barrier on account of the close proximity of the River Tyne. The twin track of the wall and Vallum led many 19th-century thinkers to note and ponder their relation to one another. [23]
Some evidence appears to show that the route of the wall was shifted to avoid the Vallum, possibly pointing to the Vallum being an older construction. [23] R. G. Collingwood therefore asserted in 1930 that the Vallum was built before the wall in its final form. [23] Collingwood also questioned whether the Vallum was an original border built before the wall. [23] Based on this, the wall could be viewed as a new, replacement border, built to strengthen the Romans' definition of their territory. [23]
In 1936, further research suggested that the Vallum could not have been built before the wall because the Vallum avoided one of the Wall's milecastles. [23] This new discovery was continually supported by more evidence, strengthening the idea that there was a simultaneous construction of the Vallum and the wall. [23]
Other evidence still pointed in other, slightly different directions. Evidence shows that the Vallum preceded sections of the Narrow Wall specifically; to account for this discrepancy, Couse suggests that either construction of the Vallum began with the Broad Wall, or it began when the Narrow Wall succeeded the Broad Wall but proceeded more quickly than that of the Narrow Wall. [23]
From Milecastle 49 to the western terminus of the wall at Bowness-on-Solway, the curtain wall was originally constructed from turf, possibly due to the absence of limestone for the manufacture of mortar. [24] Subsequently, the Turf Wall was demolished and replaced with a stone wall. This took place in two phases; the first (from the River Irthing to a point west of Milecastle 54), during the reign of Hadrian, and the second following the reoccupation of Hadrian's Wall after the abandonment of the Antonine Wall (though it has also been suggested that this second phase took place during the reign of Septimius Severus). The line of the new stone wall follows the line of the turf wall, apart from the stretch between Milecastle 49 and Milecastle 51, where the line of the stone wall is slightly further to the north. [24]
In the stretch around Milecastle 50TW, it was built on a flat base with three to four courses of turf blocks. [25] A basal layer of cobbles was used westwards from Milecastle 72 (at Burgh-by-Sands) and possibly at Milecastle 53. [26] Where the underlying ground was boggy, wooden piles were used. [24]
At its base, the now-demolished turf wall was 6 metres (20 feet) wide, and built in courses of turf blocks measuring 46 cm (18 inches) long by 30 cm (12 inches) deep by 15 cm (6 inches) high, to a height estimated at around 3.66 metres (12.0 feet). The north face is thought to have had a slope of 75%, whereas the south face is thought to have started vertical above the foundation, quickly becoming much shallower. [24]
Above the stone curtain wall's foundations, one or more footing courses were laid. Offsets were introduced above these footing courses (on both the north and south faces), which reduced the wall's width. Where the width of the curtain wall is stated, it is in reference to the width above the offset. Two standards of offset have been identified: Standard A, where the offset occurs above the first footing course, and Standard B, where the offset occurs after the third (or sometimes fourth) footing course. [27]
It is thought that following construction, and when fully manned, almost 10,000 soldiers were stationed on Hadrian's Wall, made up not of the legions who built it but by regiments of auxiliary infantry and cavalry drawn from the provinces. [2]
Following from this, David Breeze laid out the two basic functions for soldiers on or around Hadrian's Wall. [28] Breeze says that soldiers who were stationed in the forts around the wall had the primary duty of defence; at the same time, the troops in the milecastles and turrets had the responsibility of frontier control. [28] Evidence, as Breeze says, for soldiers stationed in forts is far more pronounced than the ones in the milecastles and turrets. [28]
Breeze discusses three theories about the soldiers on Hadrian's Wall. One, these soldiers who manned the milecastles and turrets on the wall came from the forts near it; two, regiments from auxiliaries were specifically chosen for this role; or three, "a special force" was formed to man these stations. [28]
Breeze comes to the conclusion that through all the inscriptions gathered there were soldiers from three, or even four, auxiliary units at milecastles on the wall. [28] These units were "cohors I Batavorum, cohors I Vardullorum, an un-numbered Pannonian cohort, and a duplicarius from Upper Germany". [28] Breeze adds that there appears to have been some legionaries as well at these milecastles. [28]
Breeze also continues saying that evidence is "still open on whether" soldiers who manned the milecastles were from nearby forts or were specifically chosen for this task, and further adds that "the balance [of evidence] perhaps lies towards the latter". [28] A surprise for Breeze is that "soldiers from the three British legions" outnumbered the auxiliaries, which goes against the assertion "that legionaries would not be used on such detached duties". [28]
Further information on the garrisoning of the wall has been provided by the discovery of the Vindolanda tablets just to the south of Hadrian's Wall, such as the record of an inspection on 18 May 92 or 97, when only 456 of the full quota of 756 Belgae troops were present, the rest being sick or otherwise absent. [29]
After Hadrian's death in 138, the new emperor, Antoninus Pius, left the wall occupied in a support role, essentially abandoning it. He began building the Antonine Wall about 160 kilometres (100 mi) north, across the isthmus running west-south-west to east-north-east. This turf wall ran 40 Roman miles, or about 60.8 km (37.8 mi), and had more forts than Hadrian's Wall. This area later became known as the Scottish Lowlands, sometimes referred to as the Central Belt or Central Lowlands.
Antoninus was unable to conquer the northern tribes, so when Marcus Aurelius became emperor, he abandoned the Antonine Wall and reoccupied Hadrian's Wall as the main defensive barrier in 164. In 208–211, the Emperor Septimius Severus again tried to conquer Caledonia and temporarily reoccupied the Antonine Wall. The campaign ended inconclusively and the Romans eventually withdrew to Hadrian's Wall. The early historian Bede (AD 672/73–735), following Gildas, wrote (circa AD 730):
[the departing Romans] thinking that it might be some help to the allies [Britons], whom they were forced to abandon, constructed a strong stone wall from sea to sea, in a straight line between the towns that had been there built for fear of the enemy, where Severus also had formerly built a rampart.
— Bede, Historia Ecclesiastica gentis Anglorum , Book I Chapter 12
Bede obviously identified Gildas's stone wall as Hadrian's Wall (built in the 120s) and he would appear to have believed that the ditch-and-mound barrier known as the Vallum (just to the south of, and contemporary with, Hadrian's Wall) was the rampart constructed by Severus. Many centuries would pass before just who built what became apparent. [31] [ self-published source? ]
In the same passage, Bede describes Hadrian's Wall as follows: "It is eight feet in breadth, and twelve in height; and, as can be clearly seen to this day, ran straight from east to west." Bede by his own account [32] lived his whole life at Jarrow, just across the River Tyne from the eastern end of the Wall at Wallsend, so as he indicates, he would have been very familiar with the Wall. What he does not say is whether there was a walkway along the top of the wall. It might be thought likely that there was, but if so it no longer exists.
In the late 4th century, barbarian invasions, economic decline and military coups loosened the Empire's hold on Britain. By 410, the estimated end of Roman rule in Britain, the Roman administration and its legions were gone and Britain was left to look to its own defences and government. Archaeologists have revealed that some parts of the wall remained occupied well into the 5th century. It has been suggested that some forts continued to be garrisoned by local Britons under the control of a Coel Hen figure and former dux . Hadrian's Wall fell into ruin and over the centuries the stone was reused in other local buildings. Enough survived in the 7th century for spolia from Hadrian's Wall (illustrated at right) to find its way into the construction of St Paul's Church in Monkwearmouth-Jarrow Abbey, where Bede was a monk. It was presumably incorporated before the setting of the church's dedication stone, still to be seen in the church, dated 23 April 685. [33]
The wall fascinated John Speed, who published a set of maps of England and Wales by county at the start of the 17th century. He described it as "the Picts Wall" (or "Pictes"; he uses both spellings). A map of Newecastle (sic), drawn in 1610 by William Matthew, described it as "Severus' Wall", mistakenly giving it the name ascribed by Bede to the Vallum. The maps for Cumberland and Northumberland not only show the wall as a major feature, but are ornamented with drawings of Roman finds, together with, in the case of the Cumberland map, a cartouche in which he sets out a description of the wall itself.
Much of the wall has now disappeared. Long sections of it were used for roadbuilding in the 18th century, [4] especially by General Wade to build a military road (most of which lies beneath the present day B6318 "Military Road") to move troops to crush the Jacobite rising of 1745. The preservation of much of what remains can be credited to the antiquarian John Clayton. He trained as a lawyer and became town clerk of Newcastle in the 1830s. He became enthusiastic about preserving the wall after a visit to Chesters. To prevent farmers taking stones from the wall, he began buying some of the land on which the wall stood. In 1834, he started purchasing property around Steel Rigg near Crag Lough. Eventually, he controlled land from Brunton to Cawfields. This stretch included the sites of Chesters, Carrawburgh, Housesteads, and Vindolanda. Clayton carried out excavation at the fort at Cilurnum and at Housesteads, and he excavated some milecastles.
Clayton managed the farms he had acquired and succeeded in improving both the land and the livestock. He used the profits from his farms for restoration work. Workmen were employed to restore sections of the wall, generally up to a height of seven courses. The best example of the Clayton Wall is at Housesteads. After Clayton's death, the estate passed to relatives and was soon lost to gambling. Eventually, the National Trust began acquiring the land on which the wall stands. At Wallington Hall, near Morpeth, there is a painting by William Bell Scott, which shows a centurion supervising the building of the wall. The centurion has been given the face of John Clayton (above right).
In 2021 workers for Northumbrian Water found a previously undiscovered 3 metres (9.8 ft) section of the wall while repairing a water main in central Newcastle upon Tyne. The company announced that the pipe would be "angled to leave a buffer around the excavated trench". [34] [35]
Hadrian's Wall was declared a World Heritage Site in 1987, and in 2005 it became part of the transnational "Frontiers of the Roman Empire" World Heritage Site, which also includes sites in Germany. [36]
Although Hadrian's Wall was declared a World Heritage Site in 1987, it remains unguarded, enabling visitors to climb and stand on the wall, although this is not encouraged, as it could damage the historic structure. On 13 March 2010, a public event Illuminating Hadrian's Wall took place, which saw the route of the wall lit with 500 beacons. On 31 August and 2 September 2012, there was a second illumination of the wall as a digital art installation called "Connecting Light", which was part of the London 2012 Festival. In 2018, the organisations which manage the Great Wall of China and Hadrian's Wall signed an agreement to collaborate for the growth of tourism and for historical and cultural understanding of the monuments. [37]
In 2003, a National Trail footpath was opened that follows the line of the wall from Wallsend to Bowness-on-Solway. [38] Because of the fragile landscape, walkers are asked to follow the path only in summer. [39]
Hadrian's Wall was known in the Roman period as the vallum (wall), and the discovery of the Staffordshire Moorlands Pan in Staffordshire in 2003 has thrown further light on its name. This copper alloy pan (trulla) from the 2nd century is inscribed with a series of four names of Roman forts along the western sector of the wall: MAIS [Bowness-on-Solway] COGGABATA [Drumburgh] VXELODVNVM [Stanwix] CAMBOGLANNA [Castlesteads]. This is followed by the words RIGORE VALI AELI DRACONIS. Hadrian's family name was Aelius, and the most likely reading of the inscription is Valli Aelii (genitive), Hadrian's Wall, suggesting that the wall was called by the same name by contemporaries. However, another possibility is that it refers to the personal name Aelius Draco. [40] [41]
Two bronze vessels that are very similar to the Staffordshire Moorlands Pan are the Rudge Cup, found in Wiltshire in 1725, and the Amiens Skillet, found in Amiens in northern France in 1949. They also bear the Latin names of Hadrian's Wall forts round their rims, beneath which are representations of a turreted or battlemented wall, thought to depict Hadrian's Wall.
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Sources [42] |
The Latin and Romano-Celtic names of all of the Hadrian's Wall forts are known, from the Notitia Dignitatum and other evidence such as inscriptions. They are listed here from east to west, in their Latin and modern English names:
Turrets on the wall include:
Outpost forts beyond the wall include:
Supply forts behind the wall include:
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Military of ancient Rome |
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A milecastle was a small fort (fortlet), a rectangular fortification built during the period of the Roman Empire. They were placed at intervals of approximately one Roman mile along several major frontiers, for example Hadrian's Wall in Great Britain, hence the name.
Hadrian's Wall Path is a long-distance footpath in the north of England, which became the 15th National Trail in 2003. It runs for 84 miles (135 km), from Wallsend on the east coast of England to Bowness-on-Solway on the west coast. For most of its length it is close to the remains of Hadrian's Wall, the defensive wall built by the Romans on the northern border of their empire. This is now recognised as part of the "Frontiers of the Roman Empire" World Heritage Site.
The Vallum is a huge earthwork associated with Hadrian's Wall in England. Unique on any Roman frontier, it runs practically from coast to coast to the south of the wall.
Milecastle 18 was a milecastle of the Roman Hadrian's Wall. It is located to the west of the settlement of East Wallhouses in Northumberland and is visible as a platform in the ground. The milecastle is of a unique construction, having a gateway associated with builders of the Legio II Augusta and a layout typical of the Legio VI Victrix or Legio XX Valeria Victrix. Historians have suggested that it may have been begun by men of one legion and finished by those of another. One of Milecastle 18's associated turrets shows evidence of being used as a workshop, possibly for the repair of shoes.
Milecastle 0 is a possible milecastle of the Roman Hadrian's Wall which may have preexisted the fort of Segedunum. Although its existence has been suggested by historian Peter Hill, no evidence of this milecastle has been found. It is not known whether the decision to establish forts on the line of the wall predated the decision to extend the wall to Wallsend, so it is possible that this milecastle was never built.
Maia, or Mais, in Cumbria, England was a Roman fort on Hadrian's Wall, and was the last fort at the western end of the Wall, overlooking the Solway Firth.
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 Clyde and the Firth of Forth. Built some twenty years after Hadrian's Wall to the south, and intended to supersede it, while it was garrisoned it was 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 in the second century AD. Its ruins are less evident than those of the better-known and longer Hadrian's Wall to the south, primarily because the turf and wood wall has largely weathered away, unlike its stone-built southern predecessor.
Milecastle 7 was a milecastle of the Roman Hadrian's Wall. The milecastle itself has not been discovered by archaeologists and its presumed location lies beneath a modern housing development. Roman finds have been made in the area and the associated structure of Turret 7B is a significant surviving structure of the wall.
Leahill Turret is a typical example of one of the lookout towers located between the milecastles on Hadrian's Wall in Cumbria; located on the Lanercost Road near Banks, Parish of Waterhead. It is designated turret 51b and lies east of the Signal Tower at Pike Hill.
The Military Way is the modern name given to a Roman road constructed immediately to the south of Hadrian's Wall.
Milecastle 19 was a milecastle of the Roman Hadrian's Wall. Sited just to the east of the hamlet of Matfen Piers, the milecastle is today covered by the B6318 Military Road. The milecastle is notable for the discovery of an altar by Eric Birley in the 1930s. An inscription on the altar is one of the few dedications to a mother goddess found in Roman Britain, and was made by members of the First Cohort of Varduli from northern Spain. The presence of the Vardulians at this milecastle has led to debate amongst archaeologists over the origins of troops used to garrison the wall. A smaller altar was found at one of the two associated turrets.
Milecastle 22 (Portgate) was a milecastle of the Roman Hadrian's Wall. Its remains exist as a low, turf covered platform just east of the Portgate roundabout (junction of the A68 and B6318). The platform is 0.5 metres (1.6 ft) on the east side, reducing to only a parch mark on the west side.
Milecastle 80 was one of a series of Milecastles or small fortlets built at intervals of approximately one Roman mile along Hadrian's Wall.
Milecastle 79 (Solway House) was one of a series of Milecastles or small fortlets built at intervals of approximately one Roman mile along Hadrian's Wall (grid reference NY23596224).
Pike Hill Signal Tower was one of a number of signal stations that were built on high ground overlooking the line of the Roman Stanegate road in northern Britannia during the early 2nd century. It later became incorporated into Hadrian's Wall. Its remains, a 2-metre long fragment of the south-east wall, lie south of a modern road cutting and field wall, and are located in the parish of Waterhead in Cumbria, United Kingdom. The tower is located between Turret 51B and Turret 52A with the fort of Banna located to the east.
Milecastle 27 (Low Brunton) was a milecastle of the Roman Hadrian's Wall. It was located on the line of Hadrian's Wall, approximately midway between the A6079 and the River North Tyne. Its remains survive as a slight squarish platform with a maximum height of 0.4 metres (1.3 ft), but it is poorly defined to the north and east.
Milecastle 29 (Tower Tye) was a milecastle of the Roman Hadrian's Wall. Its remains exist as a mutilated earth platform accentuated by deep robber-trenches around all sides, and are located beside the B6318 Military Road. Like Milecastles 9, 23, 25, and 51, a ditch has been identified around the Milecastle, and is still visible to a small extent. It has been postulated that this was as a result of the need for drainage on the site.
Limestone Corner is an area of Hadrian's Wall at its most northerly point, in present-day northern England. It represents the most northerly point of the Roman Empire, outside the two periods during which the Antonine Wall was occupied by the Roman military. Other notable features at Limestone Corner are the wall ditch at this point, which was never completely excavated, a Roman camp and the site of Milecastle 30. Also present is a trig point. The B6318 Military Road also runs through Limestone Corner, as does the Military Way, serving Milecastle 30. The Military Way is visible on the ground at this point, the most eastern point where this is the case.
A turret was a small watch tower, incorporated into the curtain wall of Hadrian's Wall. The turrets were normally spaced at intervals of one third of a Roman mile between Milecastles, giving two Turrets between each Milecastle.
Milecastle 50TW (High House) was a milecastle on the Turf Wall section of Hadrian's Wall (grid reference NY60716583). The milecastle is located close to the Birdoswald Roman Fort and is unique in that it was not replaced by a stone milecastle when the turf wall was upgraded to stone, the replacement wall instead running some 200m to the north. The milecastle was partially demolished by the Romans after it was abandoned. The milecastle was excavated in 1934 and several Roman rubbish pits discovered. The remains of the two turrets associated with this milecastle (which were demolished when the turf wall was abandoned) have also been located. As the turf wall lies some distance from the stone wall, the sites are not accessible from the Hadrian's Wall Path.