Promotional value expires Sep 30, 2017. Amount paid never expires. Must be 10 or older. Not valid until 2017-05-01. Must reserve by 2017-09-30. Reservation required. Subject to availability. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 10 per person, may buy 10 additional as gifts. Valid only for option purchased. Subject to weather and maintenance; if cancelled, outing can be rescheduled as soon as possible. Health restrictions apply - see doctor. Must be able to stand for at least 1 hour. Advance reservation required, must reserve by Sept 30, 2017. Weight limit of 225 or 380 for two people. Customer is responsible for paying all applicable taxes at time of redemption. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Offer is not eligible for our promo codes or other discounts. Learn about Strike-Through Pricing and Savings