Climbing 'Kantenflitzer' (5-) in Ulmenfels is a delightful experience, especially for those relatively new to outdoor climbing or those seeking a pleasant warm-up. The route generally follows a prominent arete (the 'Kante' in the name, meaning edge in German), providing mostly well-protected and relatively straightforward moves. While technically graded 5-, there are a few sections that might feel slightly more challenging depending on your style, particularly if you're not comfortable with stemming or using small crimps. The rock is generally solid and offers good friction. Ulmenfels itself is a beautiful crag, usually offering a tranquil atmosphere. 'Kantenflitzer' is a popular route, so be prepared for the possibility of it being occupied, especially on weekends. Overall, it's a highly recommended climb that delivers a fun and rewarding experience.