Sierra Shotokan Nevada County’s Only Shotokan Dojo Martial Arts in Grass Valley Sierra Shotokan is the only dojo in Nevada County teaching and practicing classical Shotokan karate. We are the Hombu dojo (home or headquarters) of Asai Shotokan Association International (ASAI). Click on the logo for more information on ASAI. Now at Sierra Shotokan: Cecilia Ramos is […]