Mae Geraint yn dod i adnabod Côr Godre’r Aran, ac yn clywed am her nofio o Bier Biwmares i Bier Bangor. Trystan Williams explains why he's swimming from Beaumaris pier to Bangor. Show more
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Mae Geraint yn dod i adnabod Côr Godre’r Aran, ac yn clywed am her nofio o Bier Biwmares i Bier Bangor. Trystan Williams explains why he's swimming from Beaumaris pier to Bangor. Show more
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
