Bont Newydd is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 3 March 1966. Bridge.

Bont Newydd

WRENN ID
narrow-fireplace-heron
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
3 March 1966
Type
Bridge
Address
Bont Newydd, Aber, Gwynedd
OS grid reference
SH 662 720
Coordinates
53.22839, -4.00448
Source
Cadw listing

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

Description

Bont Newydd is a bridge made of irregularly coursed rubblestone, featuring stone-on-edge coping along the bridge and its abutments. It has a wide single-span segmental arch, which is constructed with voussoirs and an arch-ring.

Local climate

Bont Newydd sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 38 freeze-thaw cycles a year, more than 73% of listed buildings. Of these, 21 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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  • Detailed attributes — period, style, materials, features
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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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