Take summer fun to the highest level with Treetop Trekking. Treetop Trekking is Ontario's original zip line aerial park experience. Come spend an adventurous day at one of our 5 Ontario zipline aerial parks including this one at Horseshoe Resort near Barrie. Make it a summer you will never forget by exploring the trees on zip lines, swinging bridges, monkey cables, Tarzan swings and much more during a 3-hour tour, or take a ride down Big Zip. Courses vary from Beginner to Expert so there is something for everyone aged 9 and up. Looking for something really different? School and Group rates, Night Treks and Team building programs are available. Reservations are required. Season Passes available.