at the tree top challenge you will have the ultimate adventure as you experience the canyon flyer Australia largest guided zip line tour or our huge tree top adventure park the canyon flyer is a full 3 hour guided tour where you will experience the thrill of flying along 1,4km of zip lines suspended more than 60m in air and experiencing speeds up to 70km per hour our 60m in air and experiencing speeds up to 70km per hour our adventure park has more than 11o tree top challenges including 10 huge flying foxes tarzan swings + so m uch more read more