Drystone-walled Field System at Tan-y-braich is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 January 1999. Field system.

Drystone-walled Field System at Tan-y-braich

WRENN ID
idle-chamber-pearl
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
29 January 1999
Type
Field system
Address
Drystone-walled Field System at Tan-y-braich, Betws Garmon
OS grid reference
SH 518 579
Coordinates
53.09811, -4.21414
Source
Cadw listing

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

Description

The Drystone-walled Field System at Tan-y-braich consists of stone walls that enclose a small field system. The dry-stone rubble walls range in height from approximately 1.2 meters to 2 meters. This field system includes three small rectangular fields to the north-west and three to the south-east, separated by a straight wall-lined track that leads north-eastwards from the smallholder's cottage to the open moorland. Additionally, to the south-west of the cottage, there is a single larger and more irregularly shaped field that is also part of the holding.

Local climate

Drystone-walled Field System at Tan-y-braich 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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