Durreck
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The Durreck is the highest mountain in the Durreck Group, a South Tyrolean range that divides the Ahrntal valley in the north from the Reintal valley in the south.
The Durreck from the Kofler Seen to the east
Grade (climbing)
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Many climbing routes have grades to calibrate the technical difficulty, and in some cases the risks, of the route to the climber. The first ascensionist can suggest a grade but it will be amended for
Action Directe was a major milestone in free climbing grades when Wolfgang Güllich freed it in 1991 at 9a (French), 5.14d (American YDS), XI (UIAA).
The six levels (Grade I–VI) of the "Welzenbach scale", from 1926
Adam Ondra on the sport climbing route Silence, one of the hardest free climbing routes in the world and the first-ever proposed at 9c (French), 5.15d (American YDS), and XII+ (UIAA).
Alex Honnold's 2017 free solo of Freerider on El Capitan was the first-ever big-wall free solo at the grade of 5.13a (American) or 7c+ (French)