Pont Moelfre is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 1 April 1998. Bridge.

Pont Moelfre

WRENN ID
ragged-merlon-smoke
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
1 April 1998
Type
Bridge
Address
Pont Moelfre, Arddwyfaen, Llangwm
OS grid reference
SH 956 473
Coordinates
53.01359, -3.55657
Source
Cadw listing

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

Description

Pont Moelfre is a bridge built of local rubble stone. It features a single elliptical arch that spans approximately 10.8 meters, with the soffit rising to about 2.8 meters above the water level. The arch is constructed from 50-centimeter deep, unshaped projecting rustic rubble voussoirs, culminating in a dropped keystone. The rock-faced spandrels rise to a plat band and above that, there is a flush stone-coped parapet. The bridge's width between the parallel sides is 5.5 meters, providing a 4.6-meter wide level carriageway between the parapets, which curve out at the ends to terminate in shallow piers on the outer face only.

Local climate

Pont Moelfre sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 31 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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