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Cof Cymru: National Historic Assets of Wales · Wales

Tunnel beneath Bangor Road at Plas Ty Coch

Caernarfon, Gwynedd, Wales

A Grade II listed building in Ty Coch, Caernarfon, Gwynedd, designated on 3 May 2002.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Tunnel beneath Bangor Road at Plas Ty Coch, Caernarfon, Gwynedd, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
Transport
Date of designation
3 May 2002
Locality
Ty Coch
Town
Caernarfon
Community
Caernarfon
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.15458, -4.25893
Cadw reference
26627

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1883 map "Watershed map England, Wales 3." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 105 Carnarvon (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1919 · Sheet 41. Anglesey. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

On the E side of the house.

Dated 1807 and providing access from the house to farm buildings. A rubble stone wall has segmental brick arches to the vaulted tunnel. Above the arch is a thin freestone band, upon which is an octagonal stone tablet with 1807 in raised numerals. The approach on the N side from the house has rubble-stone revetments.

Listed for group value with the house.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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