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Cof Cymru: National Historic Assets of Wales · Wales

'Roman Bridge' over the Afon Glaslyn

Beddgelert, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Transport
Date of designation
29 May 1968
Locality
Nant Glaslyn
Town
Caernarfon
Community
Beddgelert
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.05463, -4.01762
Cadw reference
3743

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

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

Spanning the Afon Glaslyn immediatly NE of Llyn Gwynant.

Vernacular clapper bridge, probably built in the early C16 to serve the new house of Wenallt. This house, of which now only the footings survive, was built by Cadwaladr ap Meredudd, son of Merededd ap Ieuan ap Robert, builder of Gwydir Castle and founder of the Wynn dynasty. It is possible that the bridge originally had wooden decking on its boulder platforms and that the terminating piers on the house side held a gate or possibly even a drawbridge mechanism.

Vernacular 3-span clapper footbridge, the southern-most span and associated boulder-built ramp being modern. Irregular boulder platforms with crude cutwaters to both the up- and downstream stream sides; cyclopean slate-stone slabs form the bridging sections of the two northern-most spans. At the N end are rubble piers flanking a modern gate. The bridge has an overall length of approximately 20m.

Listed for its special interest as an early vernacular bridge in the locality.

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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