Saundersfoot Railway Tunnel (North ) is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 7 May 1997. Railway station structures.

Saundersfoot Railway Tunnel (North )

WRENN ID
leaning-keystone-lake
Grade
II
Local Planning Authority
Pembrokeshire Coast National Park
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
7 May 1997
Type
Railway station structures
Address
Saundersfoot Railway Tunnel (North ), Coppet Hall
OS grid reference
SN 142 054
Coordinates
51.71721, -4.69043
Source
Cadw listing

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

Description

The Saundersfoot Railway Tunnel (North) is a 19th-century tunnel constructed from local Carboniferous sandstone. The northern portal features a partial lining, which is generally 0.3 meters thick. The tunnel has a width of 2.4 meters and walls that rise 1.2 meters vertically, topped with a semicircular vault. It extends approximately 100 meters in length, with most of it lined. At the northern exit, there is a large stone embankment. The remainder of the route to Wiseman's Bridge is primarily on an artificial embankment, which has been mostly reconstructed in concrete.

Local climate

Saundersfoot Railway Tunnel (North ) sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 1 follows 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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