Fasten your harness and helmet, because the trip goes up into Gavnø's 150-year-old tree crowns at many different heights and degrees of difficulty. Several different courses are ready with fun, exciting and challenging experiences, from the fun and recreational activities of the junior courses to the highest in the treetops, where the newest courses really give an adrenaline kick. The question then is how high, how far and how long you want to challenge yourself.