River Cruise for Two - 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: This experience will last 50 minutes and you will be at the location for 1 to 1 hours.Group Size: This experience is for two adults. There may be up to 50 other people on the day.Weather Dependent: YesSpectators: Unfortunately this experience is not suitable for spectators.Restrictions and Considerations: There are no fitness requirements for this experience.There is no minimum age for this experience. Under 16's must be accompanied by an adult.Requirements: There are no qualifications required for this experience.Availability: This experience is available on selected weekday and Sunday dates from March to November.