Pont ar Dyfi (partly in Machynlleth Community) is a Grade II* listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 19 December 1951. Scheduled ancient monument.

Pont ar Dyfi (partly in Machynlleth Community)

WRENN ID
dim-steeple-snow
Grade
II*
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
19 December 1951
Type
Scheduled ancient monument
Address
Pont ar Dyfi (partly in Machynlleth Community), Pantperthog, Corris, Gwynedd
OS grid reference
SH 744 019
Coordinates
52.60054, -3.85569
Source
Cadw listing

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

Description

Pont ar Dyfi is a notable bridge located partly in the Machynlleth Community. It is designated as a Grade II* listed structure and is also recognized as a Scheduled Ancient Monument (MG002).

Local climate

Pont ar Dyfi (partly in Machynlleth Community) sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 15 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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