Climbing "Castaneda" in Düsterer Winkel is a rewarding experience. The route, graded 7, demands a blend of technical footwork, precise crimping, and powerful sequences. The ambiance of Düsterer Winkel itself adds to the adventure – a shadowy corner with its own unique character. The crux often lies in maintaining composure through the sustained, slightly overhanging section where thoughtful route reading and efficient movement are crucial. Successfully topping out on "Castaneda" provides a strong sense of accomplishment.