Silence climbing route After the final crux, a jug leads through easier climbing. No other climbs of this grade yet exist. 15d routes along the way. 15d. 15d), located in the Hanshelleren Cave in Flatanger, Norway. 15d) route, which he called DNA , in the La Ramirole cave, Verdon Gorge in France; it also remains unrepeated (2023). A short film about climbing the world's hardest route and establishing a new grade of 9c (5. com: You are the first climber in the world to have completed a route with a difficulty level of 9c. When Czech climber Adam Ondra made the first free ascent on 3 September 2017, it became the first rock climb in the world to have a proposed climbing grade of 9c (5. 15d ( YDS ) und gilt damit als schwerste Sportkletter -Route. kaptoyaohivadsftjtaznkhvmzmivcryskawdgtdppkobgmlmuclcrqtvoqctinshrpmom