Pont Cwmyfedwen is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Bridge.

Pont Cwmyfedwen

WRENN ID
idle-cornice-swallow
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
17 December 1998
Type
Bridge
Address
Pont Cwmyfedwen, Taf Fechan, Talybont-On-Usk, Powys
OS grid reference
SO 042 163
Coordinates
51.83758, -3.39178
Source
Cadw listing

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

Description

Pont Cwmyfedwen is a small single span mountain bridge that crosses the Taf Fechan. It is constructed of partly coursed stone rubble and features a low parapet, which is marked by a rough stringcourse on the outer face. The coping is formed by closely set stones that create a rough saddleback shape. The bridge has an unequal segmental river arch made with narrow voussoirs and includes short splayed approaches.

Local climate

Pont Cwmyfedwen sits in one of the wettest parts of the UK, with an average of 1,270 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.

It experiences an average of 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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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