Refresh and Revive Spa Day at Ruthin Castle - Key InfoVoucher Validation Your voucher is valid until 01 Jul 20 You must validate book and use your voucher within the voucher expiry date.Duration: Your treatments will last approximately 50 minutes in total you can use the facilities while open.Group Size: This experience is for one person to enjoy there will be other people at the venue.Weather Dependent: NoSpectators: This experience is not suitable for spectators.The minimum age for this experience is 18 years old.Availability: This experience is available Monday to Sunday throughout the year excluding Bank Holidays subject to opening times and availability