Promotional value expires Sep 3, 2018. Amount paid never expires. No styrofoam, glass bottles, and rope. Children under the age of 6 are not permitted to be on the river with us. All children under 16 must carry a life vest. Not valid on May 28, July 4, or July 16. Must present printed voucher or a screen shot of the voucher at redemption. Younger than 18 must have guardian-signed waiver. Limit 1 per person, may buy 1 additional as gift(s). May be repurchased every 60 days. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings