The gym for everyone - built with much love by boulderers for boulderers. We are 9grad (i.e. 9degrees), the bouldering gym in Thalwil - dear beginners and advanced, dear short and tall people, dear younger and older people - at our gym there is sport and fun for everyone! What is "bouldering?" Bouldering is climbing at jumping height. You don't need to bring anything but curiosity. Drop by and give it a try!