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Cof Cymru: National Historic Assets of Wales · Wales

Pont Penprys

Llannor, Gwynedd, Wales

A Grade II listed building in Pentreuchaf, Pwllheli, Llannor, Gwynedd, designated on 19 October 1971.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont Penprys, Llannor, 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
19 October 1971
Locality
Pentreuchaf
Town
Pwllheli
Community
Llannor
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.92866, -4.45766
Cadw reference
4330

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 1830 map "V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40" (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 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 · 118 Nevin (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

The bridge lies c900m NNW of Pentreuchaf, and carries the road from Y Ffor W over the Afon Llannor.

The bridge was probably built c1800 for the turnpike trust, as part of the general improvements to county roads being carried out in the late C18 and early C19.

The bridge is part of a short raised causeway carrying the road over a narrow section of the Llannor valley. A single segmental arch spanning c4.65m formed with inset rubble voussoirs below a regulating course, rising 2.2m above the river, flush rubble spandrels and undifferentiated parapet with large coping stones. The carriageway is 4.6m wide, approximately level, and has parapets 45cm thick, turning out at the ends.

Included as a good example of a late C18 or early C19 road bridge.

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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