Pont Cyrnant (partly in Waunfawr Community) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 January 1999. Bridge.
Pont Cyrnant (partly in Waunfawr Community)
- WRENN ID
- vacant-thatch-blackthorn
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 29 January 1999
- Type
- Bridge
- Address
- Pont Cyrnant (partly in Waunfawr Community), Caernarfon, Betws Garmon
- OS grid reference
- SH 526 590
- Coordinates
- 53.10801, -4.2031
- Source
- Cadw listing
Description
Pont Cyrnant is a bridge constructed from roughly coursed rubblestone with tooled ashlar coping. It features a double-span segmental arch supported by a stone platform, which is divided by a massive cutwater on the eastern side. Both arches are made with voussoirs and arch-rings. On the Betws Garmon side, there are two floodwater arches; the northern arch is similar but smaller than the main arches, while the southern arch is very flat and low.
Local climate
Pont Cyrnant (partly in Waunfawr Community) sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 12 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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- 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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