Pont Llanfihangel (aka Pont Llan) is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 March 1999. Bridge.
Pont Llanfihangel (aka Pont Llan)
- WRENN ID
- crooked-baluster-hawthorn
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 March 1999
- Type
- Bridge
- Address
- Pont Llanfihangel (aka Pont Llan), Llanfihangel-Y-Pennant, Dolbenmaen, Gwynedd
- OS grid reference
- SH 526 449
- Coordinates
- 52.98168, -4.19677
- Source
- Cadw listing
Description
Pont Llanfihangel, also known as Pont Llan, is a Grade II listed bridge. It features a segmental arch made of irregular flush rubble voussoirs on the north side, spanning approximately 6.5 meters. The south side is constructed with packed slate set back below a regulating course, with the springings raised high on vertical stone abutments that include projecting stones for centering. The spandrels are flush with the parapet, which is topped with a stone-on-edge coping that follows the road's line. The arch rises to 3.35 meters above the water level, and the road width between the parapets is 3.8 meters, with each parapet measuring 0.45 meters wide. On the west side, the causeway continues over the narrow valley at an elevated level and includes three square-headed flood openings.
Local climate
Pont Llanfihangel (aka Pont Llan) sits in one of the wettest parts of the UK, with an average of 1,550 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 8 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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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