Tunnel Portal and Tunnel is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 21 July 2000. Tunnel.

Tunnel Portal and Tunnel

WRENN ID
burning-porch-hemlock
Grade
II
Local Planning Authority
Gwynedd
Country
Wales
Date first listed
21 July 2000
Type
Tunnel
Address
Tunnel Portal and Tunnel, Nantlle, Llanllyfni
OS grid reference
SH 498 534
Coordinates
53.05678, -4.24191
Source
Cadw listing

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

Description

The eastern tunnel portal is constructed from squared slate rubble and features a semi-circular arch made of slate voussoirs. Above the arch, there is a string course and a parapet. The tunnel itself was not inspected during the survey.

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