History in Structure

Pont y Gromlech

A Grade II Listed Building in Llanberis, Gwynedd

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Coordinates

Latitude: 53.0887 / 53°5'19"N

Longitude: -4.0474 / 4°2'50"W

OS Eastings: 262979

OS Northings: 356574

OS Grid: SH629565

Mapcode National: GBR 5T.9F90

Mapcode Global: WH54V.SMVG

Plus Code: 9C5Q3XQ3+F2

Entry Name: Pont y Gromlech

Listing Date: 28 May 1999

Last Amended: 28 May 1999

Grade: II

Source: Cadw

Source ID: 21838

Building Class: Transport

ID on this website: 300021838

Location: Spans the Afon Nant Peris in an isolated position on the A 4086 in the Pass of Llanberis about 2km south-east of Nant Peris.

County: Gwynedd

Community: Llanberis

Community: Llanberis

Locality: Pass of Llanberis

Traditional County: Caernarfonshire

Tagged with: Bridge Road bridge

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Llanberis

History

Built in the early C19 following the creation of the turnpike road in the 1790s, the construction of the bridge helped to improve transport conditions along the Pass of Llanberis; these had previously been much criticised by travellers, including by Edmund Hyde Hall in his Description of Caernarvonshire (1809-11). The bridge is shown on the 1838 Tithe Map.

Exterior

Bridge. Roughly coursed rubblestone with stone-on-edge coping. Single segmental arch with voussoirs and arch-ring; plain square-headed floodwater arch on southern side.

Reasons for Listing

Listed as an early C19 bridge, built as part of the remarkable engineering work carried out at this time to improve transport and communications along the Pass of Llanberis.

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

Other nearby listed buildings

  • II Milestone
    Located on the south side of the A 4086 towards the eastern end of the pass of Llanberis approximately 1km north-west of Pen-y-pass.
  • II Milestone
    Located on the south side of the A 4086 in the Pass of Llanberis, near the junction of the road to Blaen-y-nant, about 1.5km south-east of Nant Peris.
  • II Hafod Cottage
    Located on hillside on a rough track above the A 4086; low rubblestone wall in front of cottage.

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