7-day cancellation rights do not apply; no refunds or exchanges permitted. Voucher valid only for date and time listed; may not be exchanged or redeemed for other dates. Purchaser name and phone number must be provided at checkout; this information will be shared with Viator and the tour operator for purposes of order fulfillment. Groupon promo codes may not be used for this offer. Groupon voucher Terms of Sale do not apply. See the tour operators terms and conditions for this offer here.