Cyfeirnod OS: ST081865 approx
Lat/Lng: 51.5698544704,-3.32737509585
Ffynnon Illtud
Ffynnon Illtud, Sir Forganwg
The Holy Wells of Wales (Cardiff: 1954), 183
Ffynonellau
'Parochialia being a summary of answers to [Edward Lhwyd's] 'Parochial Queries'. Part iii: North Wales and South Wales (Continued)' yn Archaeologia Cambrensis (1911), 37