Hadrians Wall Milecastle and Turrets is a Grade I listed building in the Northumberland National Park local planning authority area, England. First listed on 24 November 1967. A Roman Roman milecastle, archaeological site, fortification.

Hadrians Wall Milecastle and Turrets

WRENN ID
ghost-terrace-yarrow
Grade
I
Local Planning Authority
Northumberland National Park
Constituency
Hexham MP: Joe Morris (Lab)
Country
England
Date first listed
24 November 1967
Type
Roman milecastle, archaeological site, fortification
Period
Roman
Address
Hadrians Wall Milecastle and Turrets, B 6318, Haltwhistle
OS grid reference
NY 719 668
Coordinates
54.9951, -2.44019
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Hadrian's Wall Milecastle and Turrets, located near Haltwhistle, dates back to AD 122 and was reconstructed in AD 205. The structure features a rubble core with dressed stone faces. The course of the wall extends west from near Caw Gap to Cawfields, with several sections of wall masonry standing at approximately 5 meters high. The remains of milecastle 42 can be found on the site, along with the locations of turrets 41A and 41B. This site is designated as a Scheduled Ancient Monument.

Local climate

Hadrians Wall Milecastle and Turrets sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.

It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 36 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

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