Iolo Williams yn cyflwyno rhaglen o Ddyffryn Ogwen gyda Hywel Roberts, Bethan Wyn Jones, Guto Roberts, Rhys Owen a Kelvin Jones. Nature programme with Iolo Williams and others.
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Iolo Williams yn cyflwyno rhaglen o Ddyffryn Ogwen gyda Hywel Roberts, Bethan Wyn Jones, Guto Roberts, Rhys Owen a Kelvin Jones. Nature programme with Iolo Williams and others.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
