Bridge over Afon Llifon to south of Glynllifon House is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 May 1968. Bridge.

Bridge over Afon Llifon to south of Glynllifon House

WRENN ID
former-bracket-heron
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
29 May 1968
Type
Bridge
Address
Bridge over Afon Llifon to south of Glynllifon House, Llandwrog
OS grid reference
SH 456 553
Coordinates
53.07283, -4.3054
Source
Cadw listing

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

Description

This is a low single-arched stone bridge that carries the drive over the Afon Llifon, located to the south of Glynllifon House. The bridge is made of dressed stone and features coped parapets that are scrolled at the ends, along with small shaped abutments.

Local climate

Bridge over Afon Llifon to south of Glynllifon House sits in one of the wettest parts of the UK, with an average of 1,370 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 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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  • Radon risk assessment
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Nearby listed buildings

  1. Fountain near south-west corner of Glynllifon House Grade II 44 m
  2. Fountain Pool to east of Stable Courtyard Grade II 49 m
  3. Glynllifon Grade I 62 m
  4. Children's Mill or Boat House Grade II 63 m
  5. Bridge over Afon Llifon to south-east of Glynllifon House Grade II 66 m
  6. Rubble-walled rear service drive to west of Glynllifon House Grade II 79 m
  7. Footbridge over service drive to west of Glynllifon House Grade II 90 m
  8. Stable Courtyard at Glynllifon Grade II* 92 m
  9. Rubble-walled trackway to north of service drive to west of Glynllifon House Grade II 95 m
  10. Sundial to rear of Glynllifon House Grade II 105 m