Available for purchase on the Cadw website, tickets for the Stargazing events at Criccieth Castle and Valle Crucis Abbey are priced at £10 per person.
Gellir prynu tocynnau ar gyfer y digwyddiadau Syllu ar y Sêr yng Nghastell Cricieth ac Abaty Glyn y-Groes am £10 y pen oddi ar wefan Cadw.