Iolo Williams a'i westeion yn trafod natur a bywyd gwyllt o aber Afon Dyfrdwy. Iolo Williams and guests discuss nature and wildlife from the mouth of the River Dee. Show more
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Iolo Williams a'i westeion yn trafod natur a bywyd gwyllt o aber Afon Dyfrdwy. Iolo Williams and guests discuss nature and wildlife from the mouth of the River Dee. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
