High Rochester Roman Fort is a Grade II listed building in the Northumberland National Park local planning authority area, England. First listed on 10 November 1951. Fort.

High Rochester Roman Fort

WRENN ID
blind-corridor-lichen
Grade
II
Local Planning Authority
Northumberland National Park
Constituency
Hexham MP: Joe Morris (Lab)
Country
England
Date first listed
10 November 1951
Type
Fort
OS grid reference
NY 832 985
Coordinates
55.28107, -2.26578
Source
Historic England listing

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

Description

High Rochester Roman Fort is a Roman fort established in the first century AD, with restorations and rebuildings occurring throughout the 2nd, 3rd, and 4th centuries. The fort is constructed of ashlar stone.

The mound of the fort remains intact, with lower sections of the walls visible in various locations. The west gateway rises to approximately 5 feet and features massive masonry from the flanking towers that are flush with the adjoining wall. The north impost is still in place, complete with a moulded impost block and the springer of the arch.

There are also extensive remains of the south internal tower located between the south gate and the south-west angle of the fort. While the front of the tower has collapsed, the sides and back still stand up to the height of a blocked doorway at the first-floor level. The jambs of the north and south gates are also visible. This site is designated as a scheduled Ancient Monument. For a detailed account, refer to Northumberland County History, Volume XV.

Local climate

High Rochester Roman Fort receives an average of 880 mm of rain a year. This makes it wetter than 64% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 72% of listed buildings.

It experiences an average of 61 freeze-thaw cycles a year, more than 98% of listed buildings. Of these, 39 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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