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Latitude: 53.2473 / 53°14'50"N
Longitude: -4.61 / 4°36'36"W
OS Eastings: 225951
OS Northings: 375437
OS Grid: SH259754
Mapcode National: GBR GNZ3.R30
Mapcode Global: WH42P.5M0W
Plus Code: 9C5Q69WQ+WX
Entry Name: Ffynnon Gwenfai
Listing Date: 5 April 1971
Last Amended: 3 June 1998
Grade: II
Source: Cadw
Source ID: 5328
Building Class: Water Supply and Drainage
ID on this website: 300005328
Location: In an isolated location on the coast overlooking Porth Gwalch, c 0.9km WSW of the Church of St. Gwenfaen in Rhoscolyn.
County: Isle of Anglesey
Community: Rhoscolyn
Community: Rhoscolyn
Traditional County: Anglesey
Tagged with: Holy well
An early Christian, Medieval, holy well, dedicated to St. Gwenfaen, daughter of Pawl Hen of Manaw (Isle of Man) and sister to Peulan (Llanbeulan, near Rhosneigr), who built her cloister here in AD630.
A rectangular drystone structure of 3 chambers set almost completely below the level of the surrounding moorland and lying in an E-W orientation. The square eastern chamber is entered by 3 descending steps at the E end and has stone seats across each corner. To the west end is the rectangular well chamber, divided from the eastern chamber by a drystone wall with a narrow opening at the centre. The well chamber has a stone seat either side contrived in small 'apsidal' recesses; the well itself a rectangular trough with a single step down into the well and below the level of the water. Both chambers have stone flag floors. The outer chamber to the W end is divided from the well chamber by a thick drystone wall; reached by 6 descending stone steps either side, the well itself divided from the inner well by a thick stone slab with circular grooves cut into its upper and lower edges to allow water to flow from the inner to outer wells. At the W end a stone slab pierced with a hole allows water to be contained in the outer well; outflow is along a paved channel to the W leading to the cliff edge.
Scheduled Ancient Monument Ref. AN055.
Listed as an early holy well with unusually substantial structure.
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.
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