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Cof Cymru: National Historic Assets of Wales · Wales

Ffynnon Aelrhiw

Aberdaron, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Water Supply and Drainage
Date of designation
19 October 1971
Locality
Rhiw
Town
Pwllheli
Community
Aberdaron
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.82479, -4.62268
Cadw reference
4241

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 1608 "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

Holy well connected with St Aelrhiw. It was said to cure scrofulous diseases and particularly 'Man Aeliw', Aeliw's spot, a skin disease.

Holy well, basin and surround of uncertain date, small square pool with low steps on N side, higher steps on E with outlet for water beneath. Rubble and earth bank to small enclosure with entry on N.

Included as a holy well with long history.

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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