Climbing "Na vlně" (meaning "On the Wave") in Kosatka is a truly challenging and rewarding experience. This route, graded 9-/9 (UIAA), demands a combination of power, technique, and mental fortitude. Kosatka, known for its steep and powerful climbing, provides the perfect setting for such a test. The route likely features sustained sequences on small crimps and challenging body positions, forcing climbers to maximize efficiency and precision. A successful ascent requires not only the physical strength to hold onto the tiny holds but also the mental resilience to persevere through the pump and doubt. It's a route that pushes you to your limits and rewards you with a sense of accomplishment only possible after a hard-fought battle with gravity and your own weaknesses. For many climbers, sending "Na vlně" represents a significant milestone in their climbing journey.