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 treatment will last approximately 1 hour and the spa facilities can be enjoyed all day.Group Size: Your treatments will be on a one-to-one basis there will be others enjoying the spa facilities on the day.Weather Dependent: NoSpectators: Unfortunately this package is not suitable for spectators.Restrictions and Considerations: Your treatments will be on a one-to-one basis there will be others enjoying the spa facilities on the day.The minimum age of this experience is 18 years.Availability: This experience is available Monday to Sunday throughout the year subject to availability.