Experience world's steepest tree-to-tree zipline adventure at Ziptrek Ecotours in Queenstown. Journey to the treehouse located at the Skyline Gondola upper terminal while your knowledgeable guide shares Ziptrek's award-winning efforts for the conservation of New Zealand's forests. Enjoy four sets of thrilling rides reaching a speed of up to 50 kilometres per hour and glide through the forest canopy with breathtaking views of Lake Wakatipu and The Remarkables mountain range.