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Pont Glyn-diffwys

A Grade II Listed Building in Llangwm, Conwy

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Coordinates

Latitude: 52.9869 / 52°59'12"N

Longitude: -3.5037 / 3°30'13"W

OS Eastings: 299153

OS Northings: 344345

OS Grid: SH991443

Mapcode National: GBR 6J.HTMT

Mapcode Global: WH66V.45VZ

Entry Name: Pont Glyn-diffwys

Listing Date: 1 April 1998

Last Amended: 1 April 1998

Grade: II

Source: Cadw

Source ID: 19583

Building Class: Transport

Location: The bridge is located W of Dinmael, and carries the road from the junction with the Holyhead Road over the Afon Ceirw, to Cwm Main and beyond.

County: Conwy

Community: Llangwm

Community: Llangwm

Locality: Ty-nant

Traditional County: Denbighshire

Find accommodation in
Llanfihangel-Glyn-Myfyr

History

Built in the C18, probably before 1794 when the crown was raised by 15in (38cm) and partly rebuilt by Thomas Penson, surveyor, to carry a minor road over the Penybont ravine and falls. The bridge was apparently known to George Borrow as Glyn Bin.

Exterior

Built of local rubble stone. A single segmental arch spanning approximately 11m between rock abutments, the soffit rising to c18.0m above water level. The arch is formed of 50cm deep rubble voussoirs slightly set in under a projecting regulating course, above which flush spandrels extend up into a flush stone-coped parapet, now provided with safety wires. The width of the bridge between parallel sides is 5.6m, providing a 4.7m width level carriageway between the parapets, which splay slightly outwards at the ends to terminate in square piers.

Reasons for Listing

Included as a fine and little altered country bridge dramatically spanning the ravine containing the Penybont falls. Of group value with the adjoining listed section of the Holyhead Road.

Other nearby listed buildings

  • II Terraced Section of the Holyhead Road, with parapet and retaining wall
    The section of the Holyhead Road, now cut off, is near the hamlet of Dinmael, W of Pen-y-bont farm with Pont Glyn Diffwys at the N end.
  • II Cartshed/Granary at Pen-yfed
    Pen-yfed farm lies on low ground close to a bend of he Afon Ceirw, approximately 1500m W of Dinmael, and is reached by a short track from the road on the W side of the valley. The Carthouse stands op
  • II Pen-yfed Farmhouse
    Pen-yfed farm lies on low ground close to a bend of the Afon Ceirw, approximately 1500m W of Dinmael. It is reached by a short farm track from the road on the W side of the valley.
  • II Milestone at Glyn-diffwys
    The milestone is set 1100m W of Dinmael, at the E end of the cutting, in a new position approximately 40m E of the original location on the NW side of the old Holyhead Road.
  • II Llwyn-dedwydd
    A major farm of the area, located on the east facing slope of Pen-y-cerrig serth, looking down on the valley of Afon Ceirw. It is reached from the W valley road, SW of Glyn-dyffwys and W of Dinmael.
  • II Llwyn-y-saint
    The farm stands on high ground on a spur overlooking the valley of the Afon Ceirw. It is reached by a farm track leading up off the minor road parallel to and above the right bank of the river. The f
  • II Barn at Llwyn-y-saint
    The farm stands on high ground on a spur overlooking the valley of the Afon Ceirw. It is reached by a farm track leading up off the minor road parallel to and above the right bank of the river.
  • II Pont Rhyd-llefrith
    The bridge is on the minor road leading W off the A5 Holyhead Road at Dinmael.

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