Mae modd archebu tocynnau bore a phrynhawn ymlaen llaw am ddim ar-lein drwy wefan Eventbrite Cadw. Gall 1,000 yn ychwanegol o bobl hefyd gael tocynnau ar y drws bob dydd.
Morning and afternoon advance tickets are available for free online via Cadw’s Eventbrite, while an extra 1,000 people will be granted access on the door each day.