Expiration varies. Amount paid never expires. Reservations required, contact by phone or email at (800) 652-4143 or at treetop@elmwoodparkzoo.org. Availability is subject to change. Liability waivers must be completed online before checking in at Treetop Adventures. Cub Climb Participants must be 4 years of age or older and between 36-60 inches tall. Not valid for special events, extended hours, or early-access mornings. Full value must be used at the time of the visit; cannot be split between visits. Elk Course Participants ages 15 and under must be accompanied in the trees by an adult. All participants need to have gloves for braking. Participants without gloves will be required to purchase a pair before starting the safety briefing. Walk-up appointments will only be accepted as availability allows. To guarantee your time and date for the course, please reach out to Treetop Adventures at (800) 652-4143 or at treetop@elmwoodparkzoo.org. Please provide your voucher code at this time. Harnesses can accommodate weights up to 285 lbs., and up to approximately a 48” waist and 26” thigh. All participants will be weighed prior to the start of the course. Treetop Adventures operates rain or shine, unless the safety of participants is at risk due to severe weather conditions. It is the responsibility of participants to check the weather forecast before committing to a course. If you have a reservation, you may change your date/time with no less than 24 hours notice. During peak season (April – October), groups may not reschedule unless park management deems the course unsafe for the date of your reservation. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings