Silence, is a 45-metre severely overhanging sport climbing route in the granite Hanshelleren Cave in Flatanger Municipality, Norway. When Czech climber Adam Ondra made the first free ascent on 3 Septe
Hanshelleren Cave, in Flatanger Municipality, has some of the world's hardest climbing routes, including Change 9b/+ , B.I.G 9c (5.15d), and Silence 9c (5.15d).