Promotional value expires Mar 15, 2014. Amount paid never expires. Limit 7 per person. Reservation required at least 48 hours in advance. Subject to weather and minimum group size. Must sign waiver. Parent or guardian must accompany children under 16 on tour. Must be 8 or older. $4.75 reservation fee and 5% GST not included. Credit card required. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings