Zipline Tour and Aerial Adventure Park for ages 4 and up: Pick your challenge with 3 high and low climbing courses for all different ages and abilities. The Blue Ridge Course, Ninja Ground Course, and Kids' Foothills Course have combined more than 75 elements including swinging logs, sky bridges, spiders' webs, climbing ladders, rappels, and much more. Various difficulty levels let you mix and match challenges as you go. End your fun with a thrilling ride on the Giant Swing! Perfect for the entire family to do together. High Gravity Adventures offers birthday party packages. Specials, and Tweetsie Railroad ticket and passholder discounts available. Weight requirements: participants should weigh a minimum of 70 and a maximum of 265 lbs. Must be at least 4 years old. Reservations are recommended.