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Cof Cymru: National Historic Assets of Wales · Wales

Church of St Dwynwen

Rhosyr, Isle of Anglesey, Wales

The record

Designation
Listed building, Grade II
Broad class
Religious, Ritual and Funerary
Date of designation
5 February 1952
Locality
Llanddwyn Island
Community
Rhosyr
Unitary authority
Isle of Anglesey
Country
Wales
Coordinates
53.13750, -4.41287
Cadw reference
5446

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 1883 "Watershed map England, Wales 3." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

The church remains lie in a shallow hollow in the centre of Llanddwyn Island.

Mainly early C16; the church was dedicated to St Dwynwen, the Welsh St Valentine and Welsh patroness of lovers.

Cruciform plan church of which foundations and parts of the SE transept and walls at the SW corner of the nave remain. Built of rubble with brown sandstone dressings. The walls of the SE transept present the most complete of the remains, the SE wall still standing above the height of the window.

Included for its historic interest as the now picturesque ruins of a C16 church which retain substantial detail.

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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