Cadw is responsible for 130 amazing historical sites across Wales and it’s an incredible effort to try to travel to 50 castles in Wales, on a bike, within a space of a week.
Mae Cadw yn gyfrifol am 130 o safleoedd hanesyddol anhygoel ledled Cymru ac mae ceisio teithio i 50 o gestyll yng Nghymru, ar gefn beic, o fewn wythnos yn ymdrech anhygoel.