Cyfeirnod OS: SH42734126
Lat/Lng: 52.945614437,-4.34206880774
Ffynnon Gybi
Llangybi, Sir Gaernarfon
Gwybodaeth ychwanegol
Cofnod Henebion CenedlaetholThe Lives of the British Saints (London: Honourable Society of Cymmrodorion, 1908), 212â –3 Darllen ar-lein
The Holy Wells of Wales (Cardiff: 1954), 151
Ffynonellau
Dictionary of the Place-Names of Wales (Llandysul: Gomer, 2007), 264