Pont Parc Bach (partly in Maescar community) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 27 May 2005. Bridge.

Pont Parc Bach (partly in Maescar community)

WRENN ID
hollow-belfry-yarrow
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
27 May 2005
Type
Bridge
Address
Pont Parc Bach (partly in Maescar community), Trallong, Powys
OS grid reference
SN 937 301
Coordinates
51.95968, -3.54729
Source
Cadw listing

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

Description

Pont Parc Bach is a road bridge made of rubble stone, featuring a single elliptical arch that is framed in a square-cornered recess. The arch is constructed with cut stone voussoirs and has a keystone located only on the upstream side. The parapets at each end of the bridge splay out and have flat coping stones, which are thinner on the south parapet.

Local climate

Pont Parc Bach (partly in Maescar community) sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 83% of listed buildings.

It experiences an average of 49 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 28 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.

More on this building

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