A satisfying sense of achievement and awe-inspiring views — these will be your rewards when you make the ascent up Klosterwappen. Make sure you take some pictures to prove you did it!
When you've finished exploring this Schwarzau im Gebirge steep landmass, why not make your way to Mt. Schneeberg, and Jakobskogel? They're not very far from Klosterwappen and also a hit with tourists.