You can pay with Paypal. Right after the purchase an email will be sent with the fiscal voucher which will report the following data
-Number of participants in the guided tour
-Time and meeting point
-Contact phone numbers for urgent communications
-You can cancel your booking without penalty until 7 days before the tour date.
-In case of cancellation after this deadline it will be required to pay 50% of the total cost.
-In the event of adverse weather conditions an alternative route can be agreed.