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If Google Street View is available, the image is from the best available vantage point looking, if possible, towards the location of the monument. Where it is not available, the satellite view is shown instead.
Latitude: 53.3385 / 53°20'18"N
Longitude: -4.2559 / 4°15'21"W
OS Eastings: 249894
OS Northings: 384775
OS Grid: SH498847
Mapcode National: GBR HMVW.C83
Mapcode Global: WH42G.LBLY
Entry Name: Ffynnon Allgo
Scheduled Date: 14 August 1954
Source ID: 2535
Cadw Legacy ID: AN068
Schedule Class: Religious, Ritual and Funerary
Category: Holy Well
County: Isle of Anglesey (Ynys Môn)
Traditional County: Anglesey
The well takes the form of a rectangular, sunken tank with paving beside it and walling around; a projecting middle level on the long sides may have been seating. There is an outflow from the NW corner, via which the water joins the stream a short distance away.
The monument is of national importance for its potential to enhance our knowledge of medieval water supplies and holy wells. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structure itself may be expected to contain archaeological information concerning chronology and building techniques.
The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.