Thank you for choosing to book using our online booking system. It's a simple and fully secure process, giving you peace of mind and immediate booking confirmation. To use this service, you will need a credit / debit card. To proceed with your online booking, please select the required visit then click the Book now button. Please note anyone under the age of 5 is not allowed on our underground tour.There must be at least one adult for every five children going underground. For groups of 10 or more please call our group booking service on 01924 848806. If anyone in your party requires wheelchair access, please call us on 01924 848806 to discuss your needs.