Silvretta – Bouldering 3. September 2014 A short window of good weather in the Silvretta mountain range. One of the sunny weekends this season. Silvretta Wini Pu 7a Fb, Silvretta Simbat 7a+ Fb, Silvretta Palm Beach Kante 7b Fb, Silvretta Super Crack 7a Fb Silvretta Rubber Gun 7a Fb, Silvretta