Milecastle 20

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Porolissum-porta-praetoria-icon.png Milecastle 20
(The site of) Milecastle 20 (Halton Shields) - geograph.org.uk - 1377065.jpg
Milecastle 20 is thought to lie beneath these houses in the hamlet of Halton Shields
Milecastle 20 is located in Northumberland
Milecastle 20
Location within United Kingdom Northumberland
Type Milecastle
Location
Coordinates 55°00′46″N 1°58′19″W / 55.012716°N 1.972057°W / 55.012716; -1.972057
County Northumberland
Country England
Reference
UK-OSNG reference NZ01886868

Milecastle 20 (Halton Shields) was one of the milecastles on Hadrian's Wall (grid reference NZ01886868). It is situated in the hamlet of Halton Shields, and was excavated in 1935. There is no visible trace of the milecastle above ground.

Description[edit]

Milecastle 20 is situated at the east end of the hamlet of Halton Shields. Its remains are located in the garden of a cottage, with the south wall and gate being covered by a house to the immediate west.[1]

An antiquarian depiction of the Military Road at the entrance to Halton Shields Farm dated 1879, shows several large blocks which appear to have been the pivot stones from the milecastle gateway, together with threshold blocks.[1]

Excavations[edit]

Milecastle 20 was excavated in 1935. It was about 17.7 metres by 16.3 metres, with a Type III gateway.[1]

Associated Turrets[edit]

Each milecastle on Hadrian's Wall had two associated turret structures. These turrets were positioned approximately one-third and two-thirds of a Roman mile to the west of the Milecastle, and would probably have been manned by part of the nearest milecastle's garrison. The turrets associated with Milecastle 20 are known as Turret 20A and Turret 20B.

Turret 20A[edit]

Turret 20A (Carr Hill) (grid reference NZ013687) is covered by the modern road, and the precise location is uncertain.[2] It was apparently located in 1935 by pottery finds only.[2]

Turret 20B[edit]

Turret 20B (Downhill East) (grid reference NZ009686) is likewise covered by a modern road, and the precise location is uncertain.[3]

Roman temporary camps[edit]

The partial remains of two possible Roman temporary camps lie about 350 metres to the south of Milecastle 20.[4] The camps are visible as earthworks on aerial photographs.[4] The more complete camp is centred at grid reference NZ01886831.[4] The north-western half of the enclosure is visible as a low bank with two rounded corners.[4] A second, less clear potential camp, is to the north-east of the first camp.[4]

Monument records[edit]

Monument Monument Number English Heritage Archive Number
Milecastle 20 20464 NZ 06 NW 7
Turret 20A 20467 NZ 06 NW 8
Turret 20B 20470 NZ 06 NW 9
Roman temporary camps 1433441 NZ 06 NW 149

References[edit]

  1. ^ a b c MILECASTLE 20, Pastscape, retrieved 2 December 2013
  2. ^ a b TURRET 20A, Pastscape, retrieved 2 December 2013
  3. ^ TURRET 20B, Pastscape, retrieved 2 December 2013
  4. ^ a b c d e MONUMENT NO. 1433441, Pastscape, retrieved 2 December 2013

External links[edit]

Media related to Milecastle 20 at Wikimedia Commons