Scaling the 'Happy Birthday' route, a celebrated 6+ in the heart of the Graz Mountains, was an exhilarating experience. This sport climbing classic lives up to its name, offering a delightful mix of technical sections and sustained climbing on excellent limestone. Every move felt engaging, particularly the crux, which demanded precision and strength. The exposure grew with each meter, culminating in breathtaking panoramic views from the summit – a perfect reward for the effort. It's a highly recommended ascent, combining challenging movement with stunning natural beauty, truly making it feel like a celebration of climbing.