Ar bedwerydd diwrnod ei her, mae Aled yn cael cwmni'r beiciwr proffesiynol Gruff Lewis. Professional cyclist Gruff Lewis joins Aled on day four of his cycling challenge. Show more
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Ar bedwerydd diwrnod ei her, mae Aled yn cael cwmni'r beiciwr proffesiynol Gruff Lewis. Professional cyclist Gruff Lewis joins Aled on day four of his cycling challenge. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
