Czech climber Adam Ondra opened one of the world’s hardest boulders on Friday with the first ascent of a new V16-graded problem near his home in the Czech Republic. Ondra, 18, spent a total of 12 days working the climb, a 12-move traverse that crosses the bottom of a limestone sport crag in Holstejn. In posts online, Ondra said that Terranova was , but admitted that the low traverse might “not be motivating at all” for most climbers. The grade is sure to be controversial: there are only a small handful of proposed V16s in the world, and none of them have yet received a second ascent. If it sticks, Ondra will be the first climber ever to send both a boulder problem and a sport route at the highest existing level of difficulty.
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