You love the risk and enjoy living on the edge? Then bouldering is certainly something for you: climbing for the fearless. Without a safety rope you have to rely on your own strength and climb the wall. And when your arms get too tired, you can let yourself fall down on soft floor mats. Just try it out!
Enjoy wakeboarding on Old Danube. This funsport excites not only locals but also visitors of Vienna. A boat isn't required, because of the special wakeboard lift.