Pont Ffynnon-gadfa is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 March 1999. Bridge.
Pont Ffynnon-gadfa
- WRENN ID
- rusted-cobble-candle
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 March 1999
- Type
- Bridge
- Address
- Pont Ffynnon-gadfa, Pencaenewydd, Criccieth, Llanystumdwy
- OS grid reference
- SH 400 403
- Coordinates
- 52.93641, -4.38179
- Source
- Cadw listing
Description
Pont Ffynnon-gadfa is a bridge that forms part of a long stone-built raised causeway, which is approximately 94 meters in length, situated over marshy ground alongside the river. The bridge is constructed from local rubble stone and features a simple segmental arch made of rubble voussoirs that spring from low abutments. The arch spans 4.8 meters and rises 2.4 meters above the water. It has flush parapets on either side of the 5.45-meter wide carriageway, which is at an elevation of 62 meters above sea level, and the road curves to the south as it enters the Llannor community at its western end.
Local climate
Pont Ffynnon-gadfa sits in one of the wettest parts of the UK, with an average of 1,670 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 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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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